《建筑基坑支护技术规程》JGJ120-2012.

JGJ120-20121101102103104221211excavations()212surroundingsaroundexcavations()213retainingandprotectionforexcavations214retainingandprotectionstructure215designworkablelife216retainingstructure217anchoredretainingstructure218struttedretainingstructure219cantileverretainingstructure2110structuralmemberforearthretaining21.11soldierpilewall2112double-row-pileswall2113diaphragmwall2114anchor()2115strut2116cappingbeam2117waling2118soilnail2119soilnailingwall2120compositesoilnailingwall2121gravitycement-soilwall2122groundwatercontrol2123curtainforcuttingoffdrains2124closedcurtainforcuttingoffdrains2125unclosedcurtainforcuttingoffdrains2126dewatering2127openpumping223313113121()231331331411)2)3)4)5)6)7)8)21)()2)()3)4)31511)3161251.11.00.93.1.7()3181GB500072312319311012331.1131123143.15311331141ccucuccqcqc2,ccucuccqcqcuuuu3cccucuccqcq4311532321112215m25m324GB500213m311456783221234533331123456733.2332333,334533533.6511(Ks)12343411()2()3453421(342)1)2343431234344348(34.8)44141.11()2344121234413413-113424.143(b0)4.1.7(41.3-2)4(b0)54184.2434311234321B012B.02B043176r16rGB500103174GB50010317r433GB50017317434600mm400mm204351C252HRB400HRB500860mmGB500103146mm100mm200mm400mm4HPB300HRB4001000mm2000mm535mm50mm657GB500104.3606GB500104.3743850mmC20200mm12mm100mm12mm15500mm4394310800mm1500mm200mmC1540h70h12mm14mm44441JGJ944421234443GB500104444451044644713m4m03m05m230310m4