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// CODE SNIPPET

9.2.4 Lateral Force on Deep Foundations

California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 9 Procedures for Foundations and Geologic Site Hazards > 9.2 Capacity of Foundations > 9.2.4 Lateral Force on Deep Foundations
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Piles and piers are capable of transferring the lateral forces between the structure and the soil.
The deficiencies include inadequate flexural strength and ductility of piles or piers at the connection to the cap and the upper portion of the pile. Compare the maximum lateral resistance of soil against piles or piers and caps against the demand. For concrete piles, check for a minimal amount of longitudinal reinforcement in the upper portion of piles or piers and for hoops or ties immediately beneath the caps. Also check for confining transverse reinforcement wherever bending moments might be high, including changes in soil stiffness. Conforming buildings which fail this check shall be placed in SPC 4.

Related Code Sections


9.2.4 Seismic Evaluation Procedures for Hospital Buildings, Lateral Force on Deep Foundations
Piles and piers are capable of transferring the lateral forces between the structure and the soil. The deficiencies include inadequate flexural ...
California Administrative Code 2019 > 6 Seismic Evaluation Procedures for Hospital Buildings > 9 Procedures for Foundations and Geologic Site Hazards > 9.2 Capacity of Foundations > 9.2.4 Lateral Force on Deep Foundations
9.2.4 Seismic Evaluation Procedures for Hospital Buildings, Lateral Force on Deep Foundations
Piles and piers are capable of transferring the lateral forces between the structure and the soil. The deficiencies include inadequate flexural ...
California Administrative Code 2016 > 6 Seismic Evaluation Procedures for Hospital Buildings > 9 Procedures for Foundations and Geologic Site Hazards > 9.2 Capacity of Foundations > 9.2.4 Lateral Force on Deep Foundations
1810.2.5 Soils and Foundations, Group Effects
The analysis shall include group effects on lateral behavior where the center-to-center spacing of deep foundation elements in the direction ...
California Building Code 2016 (Vol 1 & 2) > 18 Soils and Foundations > 1810 Deep Foundations > 1810.2 Analysis > 1810.2.5 Group Effects
1810.2.5 Soils and Foundations, Group Effects
The analysis shall include group effects on lateral behavior where the center-to-center spacing of deep foundation elements in the direction ...
California Building Code 2019 (Vol 1 & 2) > 18 Soils and Foundations > 1810 Deep Foundations > 1810.2 Analysis > 1810.2.5 Group Effects
1810A.2.5 Soils and Foundations, Group Effects
The analysis shall include group effects on lateral behavior where the center-to-center spacing of deep foundation elements in the direction ...
California Building Code 2019 (Vol 1 & 2) > 18A Soils and Foundations > 1810A Deep Foundations > 1810A.2 Analysis > 1810A.2.5 Group Effects
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