2003 Vol. 17, No. 2

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Calculation of Uplift Pressure on Underground Construction and Effective Stress Principle in Clay
LI Guang-xin, WU Jian-min
2003, 17(2): 63-66.
[Abstract](72) [PDF 179KB](10)
Abstract:
Based on theoretical analysis, it is proposed that uplift pressure on underground construction is relative to distribution of underground water and its flowing. Effective stress principle is generally applicable to clay as well.
Hydraulic Head Distribution of Multiple Groundwater
ZHOU Zai-yang
2003, 17(2): 67-68,119.
[Abstract](48) [PDF 155KB](11)
Abstract:
There have been a lot of achievements on hydraulic head distribution in aquifer, but the research work on hydraulic head distribution in relative water resisting layer is not sufficient. Hydraulic head distribution of multiple groundwater, especially the distribution in relative water resisting layer is discussed in this paper. The result may be applied to determine the buoyancy on construction.
GAO Guang-yun, GU Zhong-hua
2003, 17(2): 69-69.
[Abstract](27) [PDF 121KB](8)
Abstract:
The Reliability Design for Manual Holing Pouring Piles
SUN Zuo-gong
2003, 17(2): 70-72.
[Abstract](29) [PDF 242KB](7)
Abstract:
Manual holing pouring piles is a kind of foundation form by digging holing. Design of manual holing pouring piles according to reliability is to set up the function by probability statistics, to calculate the dependable index and to carry out structural design. It is trued to reflect the disadvantageous factor for bearing capacity of single pile in vertical, and to make the design have more objective with science.
Study and Appliance of SMW Round Protective Pile
XIAO Yue-dian
2003, 17(2): 73-76.
[Abstract](26) [PDF 319KB](6)
Abstract:
SMW method is a new round protective structure with broad applying foreground. It is related from its principle, origin and virtues to the cement soil mix rate, intention design and count, raise device and the special stirrer of the SMW method in the numbers. Examples of its appliance are given as well.
Influence of Different Soil-structure Interaction Model on the Underground Structure During the Earthquake
TAN Ding, JIANG Xin-liang
2003, 17(2): 77-80,111.
[Abstract](27) [PDF 417KB](6)
Abstract:
The paper presents an effective analytical method for soil-structure interaction systems, which can have separation or sliding. The method is based on the coupling of infinite-finite element to carry out time-history analysis on tunnel. In the same time, material plasticity of concrete is also induced in this method. Perfect bound model, classic Coulomb friction model and Goodman element are used. The distribution of max principal stress, plastic hinge and the degree of the separation and slipping between soil and structure are analysized.
The Study and Application of Tunnel Informational Design and Construction
ZHANG Zhi-gang, NAI Lei
2003, 17(2): 81-84.
[Abstract](58) [PDF 179KB](5)
Abstract:
The author devises and compiles visual program in tunnel informational design and construction, according as the characteristics of tunnel informational design and construction, the toward of development in up-to-date tunnel construction. In addition, this programme is applied successfully in the several road tunnels. It takes the favorable effects.
Study on Bearing Properties of Rammed Soil-Cement Piles Composite Foundation
ZHANG Hou-xian
2003, 17(2): 85-89.
[Abstract](33) [PDF 335KB](6)
Abstract:
The linear analysis method with soil-pile interaction is used to analyse the bearing capacity of rammed soil-cement piles composite foundation. The following results are abtained:the influence of replacement ratio of area, subcrust thickness and pile stiffness on partaking ratio of pile and soil, and the displacement of the single pile in pile group. The method mentioned above can be used for optimization design of bearing capacity of composite foundation.
Study on the Settlement Parameters of Municipal Solid Waste
LIU Rong, SHI Jian-yong, PENG Gong-xun
2003, 17(2): 90-94.
[Abstract](40) [PDF 216KB](6)
Abstract:
According to the interior consolidation tests of different component refuses,the variation laws of the settlement parameters of different component refuses and the deformation mechanism and course of refuse are studied.On the basis of the interior settlement test of the refuse,the calculated values and the measured values of the refuses settlement are analyzed.
Research on the Controlling Range of Water Content for Flyash as the Embankment Filling
CHEN Shi-qi, LI Shi-liang
2003, 17(2): 95-97,101.
[Abstract](30) [PDF 309KB](5)
Abstract:
Flyash can be used as the embankment filling and its engineering property is closely related to the water content.In combination with the indoor and engineering filling tests made on flyash produced by the Yangzhou Power Plant,an experimental study is made on the compaction feature of the flyash and the effects on engineering property by water content of the flyash.This paper recommends a controlling range of water content for flyash as embankment filling.
Study of the Relationship of Support Structure Displacement and Earth Pressure
LI Jian-guang, ZHAO Qi-hua
2003, 17(2): 98-101.
[Abstract](25) [PDF 302KB](9)
Abstract:
Through the in-situ test,abtaining the phenomenon that the efficient pressure in mucky loam arises sharply when the displacement of support structure reaches to a certaint value. It is a base for applying the value of earth pressure in designing deep foundation pit.
Grouting-test Study on Expansive Soil of Hefei Area
ZHANG Kun-yong, LI Fan
2003, 17(2): 102-103,115.
[Abstract](26) [PDF 131KB](8)
Abstract:
Basted on the grouting-test on expansive soil of Hefei local area,the process of grouting and combination soil is analyzed,and CD Triaxial-test is carried on the compound soil. Both the above tests verify the efficiency of the split grouting and the stress-strain relationship of combined soil can be explained by Duncan-Chang model.
Application of the Gas Geochemistry Method in Geotechnical Engineering
GUO Jin-jing, DU Dong-ju, HAN Wen-feng
2003, 17(2): 104-106,124.
[Abstract](21) [PDF 348KB](4)
Abstract:
The survey and evaluation of fault and its activity is an important part of geotechnical engineering investigation.Gas geochemistry method can be used in the fault investigaton.Study on fault gases could help us to locate the faults,especially for the buried fault,to determine the fault's scale,attitude,cut depth,and to analyze the activity of fault.Meanwhile,time-spatial variation fault gas field could provide a great amount of additional imfomation for site sesmic risk analysis,calibrition of seismic intensity and seismic microzoning.
Analysis of Ground Water Environment's Evolution on Datong Basin
YANG Yong, GUO Hua-ming
2003, 17(2): 107-111.
[Abstract](26) [PDF 215KB](5)
Abstract:
Based on the formation of Datong Basin's geologic structure,deposit environment and weather change since Pleistocene,analyzing ground water environment's evolution on Datong Basin,and obtaining relevant evolution feature.
Application of Network Control Technology in the Bridge Engineering Construction
ZHANG Wen-yuan
2003, 17(2): 112-115.
[Abstract](37) [PDF 316KB](4)
Abstract:
During the construction of Wenhe bridge in a certain city, in order to shorten construction period and reach the target, applying the network control technology and considering every case, the construction speed and quality are effectly controled.
The Stability Evaluation of Soft soil Foundation in the freeway of Huai'an to Yancheng
GUO Rui, ZHANG Jian
2003, 17(2): 116-119.
[Abstract](39) [PDF 314KB](5)
Abstract:
Large soft soil distribute in the freeway of Huai'an to Yan cheng. According to indoor and outdoor experiments,discovering the engineering property and character,evaluating the strength of soft soil foundation of this section,estimating the settlement in advance,evaluating the generally stability of this road.
Analysis of the Foundation's Proposals for C07 Section in Hui longguang Area
LI Zhan
2003, 17(2): 120-124.
[Abstract](25) [PDF 351KB](6)
Abstract:
According to the geological condition, the foundation's proposals of C07 section in Huilongguan area are analyzed,and the design of CFG piles composite foundation and ram-compactionpile foundation are introduced.Its rationality is proven by the result of foundation settlement.

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