National Academies Press: OpenBook

Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils (2011)

Chapter: Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests

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Page 99
Suggested Citation:"Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests." National Academies of Sciences, Engineering, and Medicine. 2011. Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils. Washington, DC: The National Academies Press. doi: 10.17226/14574.
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Page 99
Page 100
Suggested Citation:"Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests." National Academies of Sciences, Engineering, and Medicine. 2011. Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils. Washington, DC: The National Academies Press. doi: 10.17226/14574.
×
Page 100
Page 101
Suggested Citation:"Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests." National Academies of Sciences, Engineering, and Medicine. 2011. Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils. Washington, DC: The National Academies Press. doi: 10.17226/14574.
×
Page 101
Page 102
Suggested Citation:"Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests." National Academies of Sciences, Engineering, and Medicine. 2011. Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils. Washington, DC: The National Academies Press. doi: 10.17226/14574.
×
Page 102
Page 103
Suggested Citation:"Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests." National Academies of Sciences, Engineering, and Medicine. 2011. Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils. Washington, DC: The National Academies Press. doi: 10.17226/14574.
×
Page 103
Page 104
Suggested Citation:"Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests." National Academies of Sciences, Engineering, and Medicine. 2011. Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils. Washington, DC: The National Academies Press. doi: 10.17226/14574.
×
Page 104
Page 105
Suggested Citation:"Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests." National Academies of Sciences, Engineering, and Medicine. 2011. Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils. Washington, DC: The National Academies Press. doi: 10.17226/14574.
×
Page 105
Page 106
Suggested Citation:"Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests." National Academies of Sciences, Engineering, and Medicine. 2011. Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils. Washington, DC: The National Academies Press. doi: 10.17226/14574.
×
Page 106
Page 107
Suggested Citation:"Appendix A - Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests." National Academies of Sciences, Engineering, and Medicine. 2011. Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils. Washington, DC: The National Academies Press. doi: 10.17226/14574.
×
Page 107

Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

99 A P P E N D I X A Schematic Drawings Showing the Layout of the 16 Lateral Pile Group Tests

Excavated to B otto m of Pilecap Virgin Clay Pilecap 1 Virgin ClayVirgin Clay Push Virgin Clay Pilecap 2 Virgin ClayVirgin Clay 9.3 ft 8 . 7 5 f t Virgin Clay Pilecap 1 Virgin ClayVirgin ClayVirgin Clay Pilecap 2 Virgin ClayVirgin Clay Pull 9.3 ft 8.75 ft Figure A-1. Schematic layout of pile caps and soil treatments for Test 1. Figure A-2. Schematic layout of pile caps and soil treatments for Test 2.

Pull Virgin Clay Pilecap 4 Compacted Fill 3.75 ft below cap Virgin Clay Pilecap 3 Flowable Fill 5.5 ft below cap E xc a v ated to B ottom of Pile c ap E xc a v ated to B ottom of Pile c ap 5 ft9.3 ft 9.3 ft 8.75 ft 4.5 ft 8 . 7 5 f t Pull Virgin Clay Pilecap 4 Compacted Fill 3.75 ft below cap Virgin Clay Pilecap 3 Flowable Fill 5.5 ft below cap E xc a v ated to B otto m of Pile c ap Figure A-4. Schematic layout of pile caps and soil treatments for Test 4. Figure A-3. Schematic layout of pile caps and soil treatments for Test 3.

Push Virgin Clay Pilecap 4 Compacted Fill 3.75 ft below cap Virgin Clay Pilecap 3 Flowable Fill 5.5 ft below cap E xc a v ated to B otto m of Pile c ap 2.5 ft Diameter 1 ft Edge to Edge Spacing G e o p i e r s Push Pilecap 4 Compacted Fill 3.75 ft below cap Virgin Clay Pilecap 3 Flowable Fill 5.5 ft below cap Excavated to B ottom of Pilecap Figure A-5. Schematic layout of pile caps and soil treatments for Test 5. Figure A-6. Schematic layout of pile caps and soil treatments for Test 6.

Ge o p i e r s Push Pilecap 4 Compacted Fill 3.75 ft below cap Virgin Clay Pilecap 3 Flowable Fill 5.5 ft below cap E x c a v ated to B ottom of PilecapE x c a v a t e d t o B o t t o m o f P i l e c a p Push 5 f t 4 ft 5 ft 4 ft 4 ft Pilecap 2 Jet Grout Columns 10 below cap Mass Mix 10 ft deep Pilecap 1 Jet Grout Columns 10 ft below gradeVirgin Clay 8 . 7 5 f t Figure A-8. Schematic layout of pile caps and soil treatments for Test 8. Figure A-7. Schematic layout of pile caps and soil treatments for Test 7.

Pull Pilecap 2 Mass Mix 10 ft deep Pilecap 1 Virgin Clay Jet Grout Columns 12 ft below gradeJet Grout Columns 10 ft below cap Push N ew flo w able fill behind pilecap 1 0 f t 6 ft New Flowable Fill 6 ft Deep Pilecap 3 Flowable Fill 5.5 ft below cap Pilecap 2 Jet Grout Columns 10 ft below cap Figure A-9. Schematic layout of pile caps and soil treatments for Test 9. Figure A-10. Schematic layout of pile caps and soil treatments for Test 10.

Pull Push Flowable Fill 6 ft Deep Pilecap 3 Flowable Fill 5.5 ft below cap Pilecap 2 Jet Grout Columns 10 ft below cap Mass Mix 10 ft deep Pilecap 1 Jet Grout Columns 12 ft below grade Native Clay N ew flow able fill behind pilecap Push New Flowable Fill 6 ft Deep Pilecap 3 Flowable Fill 5.5 ft below cap Pilecap 2 Jet Grout Columns 10 ft below cap E x c a v a t e d t o B o t t o m o f P i l e c a p E x c a v a t e d t o B o t t o m o f P i l e c a p Figure A-12. Schematic layout of pile caps and soil treatments for Test 12. Figure A-11. Schematic layout of pile caps and soil treatments for Test 11.

Pull Flowable Fill 6 ft Deep Pilecap 3 Flowable Fill 5.5 ft below cap Pilecap 2 Jet Grout Columns 10 ft below cap E x c a v a t e d t o B o t t o m o f P i l e c a p Push E xc a v ated to B ottom of Pilecap Mass Mix 10 ft deep Pilecap 1 Virgin Clay Pilecap 2 Jet Grout Columns 10 ft below cap Jet Grout Columns 12 ft below grade E x c a v a t e d t o B o t t o m o f P i l e c a p E x c a v a t e d t o B o t t o m o f P i l e c a p Figure A-13. Schematic layout of pile caps and soil treatments for Test 13. Figure A-14. Schematic layout of pile caps and soil treatments for Test 14.

Pull Mass Mix 10 ft deep Pilecap 1 Virgin Clay Pilecap 2 E xc a v ated to B otto m of Pilec apE x c a v a t e d t o B o t t o m o f P i l e c a p Jet Grout Columns 10 ft below cap Jet Grout Columns 12 ft below grade E x c a v a t e d t o B o t t o m o f P i l e c a p Push E x c a v ated to B ottom of PilecapE x c a v a t e d t o B o t t o m o f P i l e c a p Mass Mix 10 ft deep Pilecap 1 Virgin Clay Pilecap 2 Jet Grout Columns 10 ft below cap Jet Grout Columns 12 ft below grade E x c a v a t e d 7 f t b e l o w g r a d e Figure A-16. Schematic layout of pile caps and soil treatments for Test 16. Figure A-15. Schematic layout of pile caps and soil treatments for Test 15.

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Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils Get This Book
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TRB’s National Cooperative Highway Research Program (NCHRP) Report 697: Design Guidelines for Increasing the Lateral Resistance of Highway-Bridge Pile Foundations by Improving Weak Soils examines guidance for strengthening of soils to resist lateral forces on bridge pile foundations.

The report presents computational methods for assessing soil-strengthening options using finite-element analysis of single piles and pile groups and a simplified approach employing commercially available software.

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