1、泥浆比重对钻孔灌注桩质量的影响分析牛润明( FE Mr !s)K1: C1G d9 da b d# r9Y,i4M/ n b1oM:G d9 C11“Sy ! Y q a( pH)b B ?MY“G a dCa d =aGh p d = Y#5B“ d5b C ?S,K1 1Sb C1 C4 H8 1bC1vl % C%Mc %M1, Q CA V 1b C%Mc C%8 R 8s b C1vlY“ dCaG / r9b1 v H, ?G dW , Y b3 C1 dVYG d9 , v “, a a Gh, PTra R , C s ,G /b4 C1 b dY , X C B8, 3Cb7
2、 L= ,Tr R 1 X8 R1v,yN, C i “ HWM7Mbr v, ybG d9 V,W HW , C%8 R ,t? # H !,| . !9a S/a / a SaS Z Ta S/aa , HY$/ 5 Z = b S=Sv16K,S = 7?,S =S |: CN11-4527/ T U ,S=S |:ISSN 1009-7767b “ -, B1 “: B y !a Ya5a$a a /aa a/ 6a g/ b 1 , 1B10 , M4 , N7. 50, MN30,N40bvbE: V I ; V b: g 17|I: 100081l :u g/ vI : 010i
3、68457684E-mail: bjszjs sina. com.: 010i684278467: g 2 V s )k|: 0200003609014462685i51i g B 4 2002 M12close ring status in accrdance with definite optimum control law to adjust and control the var-ious construction sections so as to reach the design requirements.Keyword: construction, error control,
4、Kalman Filtering M ethod, cable-stayed bridgesConsolidation T reatment of Ground Foundation Stability Loss of Drainage Box CulvertlllllLin Xiao( 47)llllllllllllllllllllllllllllllllllllAbstract: Shantou City faces to sea, it belongs to seaside city. The poor geological conditions re-strict the constr
5、uction progress of the urban structures. A drainage box culvert project of NanbinRoad in Shantou City is located silt course of sea beach with more than 20m in thickness. T hegeographical position and geological condition are more special. The paper imroduces briefly thecourse of consolidation treat
6、ment of high pressure chemical churning piles of the ground founda-tion of the box culvert. And it puts forward the method of soft soil foundation treatment of theengineering structures, taking it as the example so as to avoid the structures destruction by thepoor geological conditions and thc uneve
7、n ground settlement in the earlier stage of the originalsoil foundation. So the structures can not meet the use function and reduce the use standards ofthe structures.Keyword: drainage box culvert, high pressure chemical churning, consolidation of soft soil foun-dation, high pressure churning grouti
8、ng by single pipe methodAnalysis of Influence of M ud Proportion on Quality of Cast-in-Place Piles Niu RunMing( 50)lllAbstract: The paper introduces the influence of mud proportion on the excavated hole, the holecleamng of the cast-in-place and concreting. And it puts forward the corresponding techn
9、ical mea-sures.Keyword: cast-in-place piles, mud, proportionDesign of Large-Span T unnels of Shallow Embedment of Rich Water Soft Soil StratumlllllLai QuanShui, Zhou JiangTian( 52)llllllllllllllllllllllllllAbstract: T he paper analyzes and judges the problems and the methods existed in rich water so
10、ftsoil stratum by shallow embedment and conceal excavation method for designing and constructingtunnels. T he example is an underground passage over street with about 20m of the design excava-tion width and about only 3m of covering.Keyword: shallow embedment and conceal excavation, soft soil stratu
11、m, water-proof of struc-tures, informationization designBrief Introduction of Design of Wenchuan Road Grade Separation Luo JianHui( 56)lllllllAbstract: Wenchuan Road Grade Separation in Shanghai is not only a hub class grade separationwhich intersects the express road with the main trunk road, but a
12、lso is the fist public transporthub in China at which the various travelling modes such as metro, public transport, automobilesand non-motorized vehicles etc. are converged. When designing the grade separation, it shall notonly to attention to the improvement of traffic function, but also reflect th
13、e design idea ofoT akingpeople as the foundation, giving priority to public transportp. The paper introduces the design ofWenchuan Road Grade Separation Project.Keyword: Wenchuan Road Grade Separation, design, Shanghai CityFLOOD CONTROL & DRAINAGEPreliminary Approach to U rban Flood-Control Informationization Construction in T aiyuanllllLiang ChengGang, Chang JinXian( 58)llllllllllllllllllllllll
