ISBN-10:
0784406073
ISBN-13:
9780784406076
Pub. Date:
01/01/2002
Publisher:
Civil Engineering Research Foundation (CERF)
Evaluation of the Geo-Con VERT Wall System: Technical Evaluation Report

Evaluation of the Geo-Con VERT Wall System: Technical Evaluation Report

by Highway Innovative Technology Evaluation Center Staf

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Overview

Prepared by the Highway Innovative Technology Evaluation Center (HITEC), a CERF/IIEC Innovation Center

This report describes a HITEC evaluation designed to determine the basic capabilites and limitations of the Geo-Con VERT Wall for use as a technically viable permanent excavation support retaining wall system. The evaluation was conducted based on design, construction, performance, and quality assurance information outlined in the HITEC Protocol. The Geo-Con VERT Wall System is an in-situ retaining wall system intended as an alternative to other types of cut walls such as soldier pile and anchored retaining walls. Geo-Con VERT Wall System is comprised of: deep soil mix columns consisting of overlapping or tangent soil-cement columns along the front face backed up by tangent rows of overlapping soil-cement columns; a soil-cement relieving platform overtop the columns; steel beams embedded in the front face soil-cement columns for support of the permanent facing; and permanent facing consisting of precast, reinforced concrete panels or reinforced cast-in-place concrete. The relieving platform is intended to provide internal stability by typing the soil-mix columns together and transferring the load to the bottom of the columns.

Product Details

ISBN-13: 9780784406076
Publisher: Civil Engineering Research Foundation (CERF)
Publication date: 01/01/2002
Series: Civil Engineering Research Foundation Reports , #40607
Pages: 22
Product dimensions: 0.43(w) x 0.35(h) x 0.40(d)

Table of Contents

List of Tablesvii
Prefaceviii
Acknowledgmentsix
Technical Evaluation Panel Key Contactsx
Executive Summaryxi
1Introduction1
1.1Purpose, Scope, and Basis for Evaluation1
1.2Documents Reviewed2
2History and System Concept3
3Design Method Evaluations5
3.1Performance Criteria5
3.2External Stability6
3.3Internal Stability6
3.4Design Computations8
3.5Limitations8
3.6Design Details
3.6.1Cemented-Soil Columns and Relieving Platform
3.6.2Steel Beams for Facing Support
3.6.3Facing
3.6.4Drainage
3.6.5Barriers
3.6.6Obstruction Avoidance Details
4Construction Specifications11
4.1Description11
4.2Materials and Methods11
4.2.1DSM Specification
4.2.2SSM Specification
4.2.3Concrete Panel Specifications
4.3Manufacture12
4.4Construction12
5Quality Control/Quality Assurance Systems15
5.1Manufacture QA/QC15
5.2Design QA/AC15
5.3Construction QA/QC16
5.4Warranties and Insurance16
6Performance Review17
6.1Performance History17
6.2Costs17
References19
Appendices21

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