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1、cI| 1002- 8528( 2001)04- 0001- 08CFG_ZEs杨 军, 彭芝平, 陈耀光, 吕凯歌(中国建筑科学研究院地基基础研究所,北京100013)K 1CFG+,L,C_ZE,kk1sb1oM;FHq;k;kAnalysis of Safety of Static Load Test for Composite Foundation ofCFG PilesYAN G Jun, PEN G Zhi-ping, CHEN Yao-guang, LKai-ge(Institute of Foundation Engineering, China Academy of Buil
2、ding Reserch, Beijing 100013, China)Abstract According to thebasicproperties and practical engineeringof CFG piles compositefoundation, the comparison analy-sis was conducted on thesafety of two present methods of engineering test-singlepile static load test and composite foundation staticload test.
3、Key words safety; conditions of terminating loading; single pile static load test;staticload test for compositefoundationl2001- 04- 01Te +, (1955) ),3,V,1 - M,gM 45146 2400A.80100VkTA,kB,(r!91p7518%,OMvbkTnm5(b)bkT(_)nV2bV2 kTskI|(m2)Kvk(kN)Kv(mm)K(kPa)f 0f 0(kPa)(mm)ZE1# (B) ) 910 10260 66141 ) 570
4、 14127|KvB2# (A) ) 910 7920 95166 770 385 11112|KB3# (A) ) 910 9900 17914 990 495 19106|KBk+,e1f/:1# (B ) )k:5VkTA, B4A4;7O-4B4kF8m279m2,k570kPa 9m2210260kNF,VB4kTb2# (A ) )k:kTbhb3# (A ) )k:kTb1Q,kXKB),1rS,!FiH,?3iY#,/$6,iyVk,PWrlkbkT,kT,?T_Nb4AE:(1) 1#a3#kTbV3#kyikb(2) 2#k!kC(11pk),k-CBi$,7k$?3#p,
5、yFkb54+,:CFG_ZEs1p6Sk,|h)Skb(3)TS1kT,T,_NkTbQx,K,1|nb!9a4VLbA4SBk=kbS=(91#a247#)k,KsY2100kNa2817kN,!91p7010%a9319%,kTMvbSk,S,r550kPa,!91pbYVLVA,CFGk,dB|210Hq/,S_S_Bb9,TYV_,kf/VYV,Q5Ab4 kZEsCFG_,kZE,_TIs,yI;?N5),n51?S1a?rkFHqHqs,M1Hq9V3aV4b1?S:5y/?S6JGJ94- 94(D3)5y$!9?S6(,) GB 50007(D 4)5y$!9?S6GBJ 7
6、- 89(D5)5y)/?S6GBJ 79- 91(D6)5CxF( CFG)/?6Q/JY 06- 1997(D 7)411 FHqsFHqkXK,VTkHq,1V3FHqVn:(1)单桩静载试验 CFG,/+:l,BV500mm,+yf/9V600mm;EbyNV3Hq,35H+yf,2H24lHf9nbFHq1V3 $a?akFHq9kFHq?kFHqkFHqD3)T/,-B)T/5;D4a5( Q- s)wLVK,O9V40mmbD4a5rA_*bD6a1$9var$*CAbD3)T/,v-B)T/2,O24lHrM;D4 $S n+ 1/$Sn 2,O24hrS;D59r40mm,?9F=)=)bD4a5s$9v,( p s)wLCbD6a19Xvz10%bD3XrKvFKvHbD4a5B)/, 24lH=q?rSbD6a19FX!91pbD425md3, Q swLMH,Fs60 80mmbD4a5 s/ b 0106( bz)bD4+yHq/,V81pFs 100mmb6 建筑科学17/2fe: V1H,Q swLM+e,Cb9e,l,9
