<]/Prev 881347>> sales@deepexcavation.com. 0000006702 00000 n This means that you can include all intermediate construction stages for your soil nail wall, include 3D loads, all in an interactive environment. The software follows the FHWA methodology for the design of soil nail walls, in an interactive environment built on the DeepEX basic layout. The software follows the FHWA methodology for the design of soil nail walls, in an interactive environment built on the DeepEX basic layout. These case studies present a typical design method used for soil nail walls. #2U-@N7toNjzy)an? You can customize your version, adding any of the provided additional modules! hbbd```b``m`!d"HE H2zm7H{iw R~w h8# : Deflections can be reduced by post tensioning but at an increased cost. Soil nail installation is relatively rapid and uses typically less construction materials than ground anchor walls. 1 Geometry of base model. 0000015979 00000 n Developed following: AASHTO LRFD Bridge Design Specifications, 7 th Edition. Specifications. This meant a total of 2 production nails were tested. This user's manual discusses the theoretical basis for . Soil nail walls are generally constructed from the top down. Additional, optionalmodules are available and can make your life easier! Geol. 0000176858 00000 n 0000006506 00000 n ?n20pl#$ QGv3C~%02hiFn*e 0 2 SLOPE STABILITY ANALYSIS & SOIL NAIL DESIGN, In SnailPlus we can create an unlimited list of soils and define all soil properties quickly. 0000007882 00000 n Case studies, Computer programs, Design, Load transfer, Loads, Retaining walls, Soil nailing, Structural analysis Keywords: soil nailing, walls, computer program, design, working loads, Washington state . PILEGRP is a spreadsheet program written in MS-Excel for the purpose of analysis of pile groups with rigid caps using the elastic method. For the specified structure geometry (depth and cut slope inclination), ground profile, and boundary (surcharge) loadings, working nail forces are estimated and the location of the potential failure surface are determined. FHWA Design and Analysis of Soil-Nail Walls Abdulrahman Alhabshi Texas Tech University This spreadsheet was developed based on the FHWA Method presented in Publication No. This program is used to design soil nail walls and slopes of various shapes with shotcrete cover or steel mesh. Please check whether your browser is not blocking reCAPTCHA. The purpose of this manual is to facilitate the implementation ofsoil nailing into American transportation design and construction practice and to provide guidance for selecting, designing, and specifying soil nailing for those applications to which it is technically suited and . as construction proceeds from 'top-down'. The intended audience for this document is geotechnical, structural, and highway design and construction specialists involved in the design, construction, and inspection of soil nail wall systems. hS}HSQ?{VZM6#-R91H5JF([!IYN2I}BYE9\s~w`}N^/R@7P : @gZd&fciL!U'aUa5q9vP^?|d1]-$vUoCry8Ob>9k%#Al"X2[Z ybW*>z9Ua^-([)U52N@g Various slope facings may be adopted for soil nailed slopes, ranging from a green finish to shotcrete For a soil nail wall the general construction procedure involves: a) Excavate for the first nail (soil must be sufficiently self standing). Attend our geotechnical engineeting webinars and workshops, improve your engineering design skills, gaining a competitive edge! Review our Geotechnical Engineering Software Solutions for engineering professionals! The SnaiPlus reports can be previewed, exported to PDF or exported to Word format, so they can be further edited by the user. SnailPlus can locate and report the most critical slope surface using various slope surface search methods: SnailPlus can design the shotcrete facing. As a result, tensile and shear forces act on the soil nail to reinforce . FHWA-NHI-14-007. 0000178060 00000 n A simplified hand calculation method is compared with the limit equilibrium approach used in Slope/W code. 0000175744 00000 n Build on solid fundamentals on the design of deep excavations, and learn how to minimize uncertainties. We can also choose to include to the report all structural design equations and calculation procedure. Advantages and Characteristics of Soil Nail Walls The advantages of soil nail walls include: Less right of way needed than competing systems, such as ground anchors Snail Plus is our soil nail analysis software. Oversized holes of 4" to 10" in diameter are drilled and the centralized soil nail component is placed. Soil Nail Anchors 1. 7 - Soil Nail Walls. Dartis SPT is a powerful, user-friendly software for correlating soil properties from SPT blow counts. 0000255142 00000 n stable and able to retain the ground behind it. Soil nails may be used to stabilise cuttings and embankments. (07) 3208 1158 info@ischebeck-titan.com.au. The design of soil nail is covered in Section 7.5: Reinforcement of existing ground in BS8006: 1995. xref In SnailPlus we can create an unlimited list of soils and define all soil properties quickly. 77 0 obj <>/Filter/FlateDecode/ID[<26C4AF22D3F78243A3F5311FC414D050><126572E0D409F146AE749EA3AA3403FF>]/Index[46 58]/Info 45 0 R/Length 138/Prev 335974/Root 47 0 R/Size 104/Type/XRef/W[1 3 1]>>stream shear resistance and shear coefficient of the soil-grout interface, increase with an increase in normal stress and surface roughness of soil nail . 2.1. s r.o., All rights reserved |, Frau Brehm, Geschftsfhrerin, Institut fr Angewandte Geologie und Umweltanalytik, Dipl. Features: Seven soil layer system. SnailPlus is our soil nail analysis software. 0000015712 00000 n The reports in SnailPlus are totally customizable - the end user can always select all the report sections included in the final report. This article will shed light on soil nailing technique, its types and applications. In SnailPlus we can select ACI and FHWA specifications for the structural design. 5 steel tube. Luis F Lopez Guzman. The software allows us to examie all construction stages, and we can locate the most critical slope surface, the slope stability saftty factor and the soil nail - head plates - shotcrete facing results in each stage. The software has an understandable operation and applicability. hb```e``*qB 8700G . After each excavation stage, near-horizontal holes are drilled into the exposed face at typically 1m to 2m centres. Soil Nail Wall - Hacienda Road - Lower Site City of La Habra Heights, Los Angeles County, California . This program is used to design soil nail walls and slopes of various shapes with shotcrete cover or steel mesh. In SnailPlus we can create an unlimited list of soils and define all soil properties quickly. f) Excavate to next soil nail level, and install next soil nail, shotcrete etc. hbbd```b`` AD2@$sXDL&El7.S0,fG`D0;Dwu~@nul*H$&F`00RD+GI SNAILPlus soil nailing software, used by TX-DOT, WA-DOT and more! SnailPlus is our soil nail analysis software. 3. 0000252008 00000 n %PDF-1.4 % 0000010166 00000 n Bishop - Morgenstern-Price - Spencer Methods, SIGN UP TO TRY ALL FEATURES, GET ACCESS FOR A FULL TRIAL. 0000168324 00000 n 0000004894 00000 n 3 main soil layers are identified to be present. Soil nailing uses grouted steel nails to reinforce in situ soils and create a gravity retaining wall for permanent or temporary excavation support. SnailPlusModel Wizard can be used to create any sloped surface with all construction stages, excavations and soil nail and facing installation in minutes. B.3.4.2.5 Then the general method implies that the soil condition is aggressive or highly aggressive; a more detailed assessment should be performed according to national requirements. Extensive calculation and input options in the individual modules. 0000190667 00000 n Bishop - Morgenstern-Price - Spencer Methods. 0000004203 00000 n Additional, optionalmodules are available and can make your life easier! Shotcrete or concrete is typically applied on the excavation face to provide continuity when a soil nail wall is constructed. NOTE Table B.1 is an excerpt from Clouterre (Soil Nailing Recommendation 1991). Methods of stability analysis are detailed in Publication No. While soil nailing is also available in our DeepXcav software program, SnailPlus was created to bring all the necessary capabilities into one package. 0000010299 00000 n c) Construct 1st phase shotcrete on soil face (optional if shotcrete is constructed) with wire mesh or other reinforcement if required. Inclination to the PD external wall force. West Point Bridge Designer 2018 (Windows) Steel Connection Design EXCEL Spreadsheet. The software follows the FHWA methodology for the design of soil nail walls, in an interactive environment built on the DeepEX basic layout. Hole-drilled bars drill into slope surfaces. h) Construct additional permanent facing if required. 0000006059 00000 n Estimate soil strengths and bond resistances from SPT or CPT tests directly on model with site variation: Many companies including deparments of transportation such asTexas DOT,WASH-DOT, GZA, Hayward Baker, ESC Limited, D'Appolonia, Berkel Construction, and more! Los Angeles County, California. sales@deepexcavation.com. DeepXcav offers a one-stop complete geotechnical and structural solution for deep excavation. Piezometric water input values. During the excavation process to produce a retaining wall, soil nails form part of a passive system to reinforce and temporarily support the existing soil or weathered rock. Soil nail walls are particularly well suited to excavation applications for ground conditions thatrequire vertical or near-vertical cuts and have been shown to be particularly well suited in the following temporary or permanent applications: Soil nailing has proven economically attractive and technically feasible when: Soil nail walls exhibit numerous advantages when compared to ground anchors and alternative topdown construction techniques. LNyKKsLt[ o%TTb%#wf.koEEi?A3O(eR+o!G3sZFN0VKP\fv-=VYAba3d9Kz]L.^7>CcY{Y3:-CYgW{s!4r(:2\:G5-.S(.^H We have gone through many papers and geotechnical reference books and collected over 200 SPT correlations with various soil properties. Let us help you get the most out of our software programs by attending our FREE online presentations! In the software we can either use Service Limit State or Ultimate Limit State methods. The DEMO version is an older software version with limitations. The parametric study uses a framework for the design of soil nail walls that considers the factors of safety used in the allowable stress design (ASD) analysis 0000006801 00000 n Hydraulic Cement Concrete. All soil nails within a cross section are located above the groundwater table. In SnailPlus we can select to use a permanent or a two-stage facing (temporary in all stages - permanent in the last stage). Soil nailing is a technique used to reinforce and strengthen existing ground.Soil nailing consists of installing closely spaced bars into a slope or excavation as construction proceeds from top down.Soil nailing is a potential solution of landslide problems as it is economical and also applicable in seismic zones.It can solve the problem of residential area up to a great extent.It can be used . Foundation elements, EN 12794:2005 Precast concrete products Foundation piles, ISO 14688-1:2013 Identification and classification of soil - Part 1: Identification and description, ISO 14688-2:2004 Identification and classification of soil Part 2: Principles for a classification, ISO 14689-1:2003 Identification and classification of rock Part 1: Identification and description, ISO 22475-1:2006 Geotechnical investigation and testing - Sampling methods and groundwater measurements - Part 1, ISO22476-1:2012 Field testing Part 1: Electrical cone and piezocone penetration test, ISO 22476-2:2005 Field testing Part 2: Dynamic probing, ISO 22476-3:2005 Field testing Part 3: Standard penetration test, ISO22476-4:2012 Field testing Part 4: Mnard pressuremeter test, ISO22476-5:2012 Field testing Part 5: Flexible dilatometer test, ISO22476-7:2012 Field testing Part 7: Borehole jack test. The SnaiPlus reports can be previewed, exported to PDF or exported to Word format, so they can be further edited by the user. d) Install soil nail head plate (with or without other attachments, Figure 2). Soil nail wall construction proceeds from the top to bottom, and head plates are installed on each nail. Let us help you get the most out of our software programs by attending our FREE online presentations! As the method can be easily coded or solved with the aid of a computer spreadsheet, reasonable predictions can be made without expensive and time-consuming analyses. As Expert Workshops for Geotechnical Engineering professionals andfree online software presentations - webinars! Figure 2: Typical soil nail head plate and shotcrete details (US Practice). trailer The driven soil nailing method uses to drive nails into the slope face during excavation. Self-driven soil nails use hollow bars. Overhead construction requirements are smaller than those for ground anchor walls becausesoil nail walls do not require the installation of soldier beams (especially when construction occurs under a bridge). All downloadable or viewable content available on CESDb.com is provided as-is. 0000013943 00000 n 0000252940 00000 n 0000008792 00000 n While soil nailing is also available in our DeepEX software program, SnailPlus was created to bring all the necessary capabilities into one package. hb```b`` B,@Q L ml-.*p/fz;yh+Naz ~3gfg,G[.&[$d?qoqR{q 0000013323 00000 n Last but not least, SnailPlus is the only software that produces a full printable report of all design calculations. 7 - Soil Nail Walls Reference Manual, Report No. Last, SnailPlus is the only software that produces a full printable report of all design calculations. - Improved control and report for temporary facing conditions (single layer), - Improved earth pressure calculations for irregular surface conditions, - Available shear analysis method, - FHWA LRFD methods for shotcrete, - Improved output reports, Soil nail wall excavation in Pennsylvania difigned with SnailPlus. 0000190232 00000 n For additional information or to get a special offer, please reach us by: 0000175582 00000 n You can customize your version, adding any of the provided additional modules! U.S. Department of Transportation Federal Highway Administration 1200 New Jersey Avenue, SE Washington, DC 20590 202-366-4000 0yD2`m0o`q " H`C@$))Z`.ah$9V8L_ 2. SnailPlus 2021 is the latest version of our soil nail walls design software, following SnailPlus 2020, 2019, 2018 and 2017 versions. &_&;2r;>P+h$C+::$vI7,+ fg!zo:. SnailPlus performs checks on the soil nail head plates. The ultimate software program for slope stability and soil nailing. SnailPlus can generate extensive reports for all examined design sections and construction stages. It creates less noise and traffic obstructions. (FH) Erasmus Koch, Partner, Grninger & Koch Ingenieurgemeinschaft, Dipl.-Ing. While soil nailing is also available in our DeepEX software program, SnailPlus was created to bring all the necessary capabilities into one package. #s#2muS&@,$uW8?|7?|K+sl>*utvI#Rv2*MM2VRkE,uJ5C: na_P>{A&m]6>gPB/*tkBR;H-rVPyDbS| Fyc eFFs8cFE).P82Y]Hy@QX )L $&"3;{|JdGR% KJ61q*oy([jsQ(k3@g#TEYGo=WC|Zhk7fN+uC>T.2Q =~ksdd\t3uN::a/Td7K4K-{i3aFhP tgmHnHoN!!!!!Zh=L: EqW)GZWrW>N8(KpC.3.4#zT%9 0000189644 00000 n No comments yet. SnailPlus has implemented various different standards and specifications for the soil nails and shotcrete facing design. For a soil nail wall the general construction procedure involves: a) Excavate for the first nail (soil must be sufficiently self standing) b) Install the 1st nail. You can customize your version, adding any of the provided additional modules! While soil nailing is also available in our DeepEX software program, SnailPlus was created to bring all the necessary capabilities into one package. 0000003102 00000 n Unimaginable without it! 0000006555 00000 n In SnailPlus we can add directly SPT Records and CPT Logs, which can be used from the software to estimate various soil properties. Evaluate The Stability Of Bentonite Slurry Trenches And Panels. 0000049325 00000 n Due to the selection of the different calculation methods, it can be used in a variety of ways. 1 borehole grout washed back 1,0 m - prior to top up. Bridge Design Aids 3-9, Soil Nail Wall Facing Design Structure Technical Policy 11.23 Design Criteria for Soil Nail Wall Facing. In certain conditions, soil nailing is a viable alternative to other ground anchor systems, considering technical feasibility, cost, and construction duration. HelixPile is a user friendly, modern and powerful software program for the design of helical piles. Shotcrete, reinforced with wire mesh and/or reinforcing steel, is applied to the face of the excavation to secure the soil between the nails. The nails in the driven method are driven into the slope face during digging. SNAILZ is a program for Soil Nail reinforced slope analysis. GEO5 output reports can be easily edited or exported to PDF or MS Word formats. 0000189357 00000 n 0000176011 00000 n 0000191211 00000 n 0000106090 00000 n B.3.4.2.1 The required design life for a particular situation may be achieved by a variety of methods or combination of methods. Collect geological data in the field and send it to the Stratigraphy program. B.3.4.1.2 The protection against corrosion of steel elements in a nail shall take into account the aggressiveness of the environment, the nail type, the type of load (tension or compression), the type of steel and design service life required. Soil nails are installed into a passive areas of the slope to stabilize the active zone of the slope. GEO5 generates output reports in variety oflanguages -useful for foreign projects. Nail location, inclination, and lengths can be adjusted easily when obstructions (cobbles or boulders, piles or underground utilities) are encountered. For additional information or to get a special offer, please reach us by: Repair and reconstruction of existing retaining structures. If no information is available, the worst relevant case shall be considered. 2. Soil nails hold the earth in place, allowing for successful, permanent retaining wall construction, erosion control, rock-slope . The software won't run on mobile devices. 0 Previous test results for the same grout mix completed within one year of the start of grouting may be submitted for verification of the required . B.3.4.3 The following approaches for achieving the desired service life are commonly applied to metallic, usually steel reinforcement: EN14490:2010 Execution of special geotechnical works Soil nailing, geotechnicaldesign.info 20112021v 1.0, FigureB.1 Limit equilibrium stability analyses of soil nail structures, Table B.1 Classification of soil condition, Table B.2 General method for corrosiveness assessment. The reinforcement is installed into the slope face of in-situ ground, whether natural soil or an existing fill, stabilising such material. Soil nailing is a construction technique that we use to reinforce soil to make it more stable. The software is very easy to use, quick and easy to learn. Normally, a corrosiveness assessment of the ground will be required to determine which level of corrosion protection is required. Many companies including deparments of transportation such as, Circular+Active and Passive wedge analysis, Include all design sections of the excavation into one file. Structural and Geotechnical design of deep excavations, foundation pile systems, soil nail walls, pile verticality inspection, inclinometer readings monitoring and more! 0000006108 00000 n Let us help you get the most out of our software programs by attending our FREE online software presentations - webinars! endstream endobj 10 0 obj <>/OCGs[27 0 R 28 0 R 29 0 R 30 0 R 31 0 R 32 0 R 33 0 R 34 0 R 35 0 R 36 0 R 37 0 R 38 0 R 39 0 R]>>/Pages 7 0 R/Type/Catalog>> endobj 11 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC/ImageI]/Properties<>/XObject<>>>/Rotate 0/Type/Page>> endobj 12 0 obj <>stream * Drainage filters and drainage pipes are also commonly installed during construction. For this case, the soil nail spacing of 2.0 m was selected from between 2.0 m and 1.0 m and the soil nail inclination of 20o was selected from between 25o and 10o. Fig. This means that you can include all intermediate construction stages for your soil nail wall, include 3D loads, all in an interactive environment. Let us help you get the most out of our software programs by attending our FREE online presentations and webinars! SnailPlusModel Wizard can be used to create any sloped surface with all construction stages, excavations and soil nail and facing installation in minutes. Get immediate access to all software features and exclusive materials! B.3.4.2.2 Table B.1 suggests four different soil categories based on a ranking procedure, to determine the aggressiveness of the soil condition and hence the necessity of corrosion protection. 0000176510 00000 n Last, SnailPlus is the only software that produces a full printable report of all design calculations. The design of soil nails has to take account of the ground conditions and groundwater regime to allow the determination of the global and local stability of the strengthened slope. Please check your email. DeepXcav is a software program for the design of embedded earth retaining walls with limit-equilibrium and advanced non linear elastoplastic analysis methods. Temporary or permanent excavations in an urban environment. >nC,@.q{TlpDIah}aPxZUVkKc*grXl0y@)xwe/U,dQ%feg_/k&ck-V][ 0000006457 00000 n Learn about our licensing options, and select the license type that covers all your needs! Corporate Training:Design of Deep Excavations - Theory and use of DeepEX Software. 0000006604 00000 n The program also permits the engineer to specify the resistance type the support provides - tensile, shear, or a combination of the two. hak@J>nywjPk6v2=G1Ot#l.$HJ$HAJhPD r$@Z`pB0FTI5X cc6m.jQ Activate the 14-day Trial Version without analysis restrictions for free. Slope Stability FS and Check Ratios in SnailPlus, Stepped Soil Nail Wall Design with SnailPlus, Two-Stage Facing (Temporary and Permanent), Slope Stability - Soil Nail Walls DesignSoftware. We can also choose to include to the report all structural design equations and calculation procedure. Soil nail walls are relatively flexible and can accommodate relatively large total anddifferential settlements. We can use the Wizard tabs to define all project parameters (sloped surface parameters, soil nail - head plates and shotcrete structural sections, stage options anddesign standards). 25 0 obj <>/Filter/FlateDecode/ID[<49D8A5E12419AD47AE99301095E02389><3F220D6174447045A66BB8E8E5C394A2>]/Index[9 36]/Info 8 0 R/Length 93/Prev 145310/Root 10 0 R/Size 45/Type/XRef/W[1 3 1]>>stream