2014 Vol. 28, No. 3

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Development and Creation
Design and Application of Artificial Drilled and Expanding Bottom Perfusion CFG Piles in Composite Foundation
Cao Liang, Liu Huancun, Wang Yan
2014, 28(3): 109-112. doi: 10.3969/j.issn.1007-2993.2014.03.001
[Abstract](68) [PDF 687KB](11)
Abstract:
To construct a building in some special geological structure conditions, the key point of finishing the project successfully is how to choose the foundation type or the method of the foundation treatment. In this article, through a foundation treatment in Beijing which adopted artificial dig-hole an...
Discussions of Soil Nail Stress Calculation Methods in Soil Nail Wall
Lu Feng, Yan Ronghua, Zhu Ming
2014, 28(3): 113-116,151. doi: 10.3969/j.issn.1007-2993.2014.03.002
[Abstract](55) [PDF 817KB](11)
Abstract:
A large number of full-scale model tests and field monitoring results show that soil nail internal forces have excavation effect. The maximum tension of soil nail appears in the middle of the foundation pit, the upper and lower internal forces are smaller. But the design and calculation theory of no...
Technology Probe and Research
Analysis of Stability in High Concentration Tailings Pond Upstream Embankment Method
Meng Tingwei, Wu Zhian
2014, 28(3): 117-120. doi: 10.3969/j.issn.1007-2993.2014.03.003
[Abstract](146) [PDF 825KB](10)
Abstract:
This text base on the method of Bishop, with analysis program XSTABL were used, the stability of the tailings dam under static conditions and seismic conditions were evaluated in this paper.
Comparative Analysis of Hyperbola Model Exponential Curve Model and Asaoka Model on Shan-jie Expressway
Li Lei, Yang Tao, Chen Shangrong
2014, 28(3): 121-125. doi: 10.3969/j.issn.1007-2993.2014.03.004
[Abstract](52) [PDF 930KB](7)
Abstract:
Estimation of the settlement in subgrade is one of the most critical problems in expressway. By the settlement measured data of shan-jie expressway, the paper research the common method in the estimation of settlement, such as hyperbola model exponential curve model and Asaoka model. The results sho...
Application and Analysis of Inclinometer in Monitoring Landslide Deformation
Chen Daikun, Qiao He
2014, 28(3): 126-130. doi: 10.3969/j.issn.1007-2993.2014.03.005
[Abstract](54) [PDF 1518KB](8)
Abstract:
First, this paper briefly introduces construction and principle of the inclinometer, analyzes the main factors which cause inclinometer produce deviation. Then, take landslide monitoring project in Huale as an example explain application of inclinometer in monitoring landslide project. Though monito...
Characteristics of New Low Elastic Modulus Concrete
Zhang Yuting, Zuo Dianjun, Chen Wenliang
2014, 28(3): 131-136. doi: 10.3969/j.issn.1007-2993.2014.03.006
[Abstract](70) [PDF 807KB](6)
Abstract:
For its excellent performance and mechanical properties, low elastic modulus polypropylene fiber concrete has became one of the materials used in the main cut-off wall of water conservancy projects in recent years. Based on laboratory tests, low elastic modulus for polypropylene concrete strength, s...
Optimization and Analysis of the Method to Determine Kaiser Point of the Method to Measurement to Stress by Acoustic Emission
Ni Chunbo, Zhang Guangqing, Jia Jiubo
2014, 28(3): 137-142. doi: 10.3969/j.issn.1007-2993.2014.03.007
[Abstract](126) [PDF 808KB](22)
Abstract:
The key of the study of acoustic emission measurement of in-situ stresses is to properly determine the Kaiser point. Through the simulation of core concrete in uniaxial compression failure process of acoustic emission test, the stress-strain curve,the relationships between stress, intensity and cumu...
Deep Foundation Ait Technology
Deformation Monitoring and Numerical Analysis of Supporting Structure of Open Ring Deep Foundation Pit
Zhang Xin, Zhao Shengfeng, Huang Guanglong
2014, 28(3): 143-147. doi: 10.3969/j.issn.1007-2993.2014.03.008
[Abstract](60) [PDF 1385KB](11)
Abstract:
There are thicker soft soil layers distributed in the subsoil of Nanjing Yangzi coal storage silo project which deep foundation engineering excavates a pit with the depth of 11.40 m. The row piles were used as retaining structure with cast-in-situ bored pile and ring beams as struts which are 10. 0 ...
Study of Soft Soil Deep Excavation Case by the River
Wang Ningwei, Han Xu, Zhu Feng
2014, 28(3): 148-151. doi: 10.3969/j.issn.1007-2993.2014.03.009
[Abstract](57) [PDF 895KB](12)
Abstract:
To the Dandong deep foundation pit engineering background, difficulties in the area of soft soil foundation pit are analyzed. This paper introduces the causes of secant pile using the Dandong Aqua City support engineering,and explain the advantages, bored pile construction process, and the displacem...
Study on Support Design and Monitoring of Deep Foundation Pit in Suzhou Performing Arts Center Phase Ⅱ
Fan Qinjian, Tao Zhu, Song Dexin
2014, 28(3): 152-156. doi: 10.3969/j.issn.1007-2993.2014.03.010
[Abstract](52) [PDF 1015KB](14)
Abstract:
During excavation of deep foundation pit, the bored piles combined with concrete struts have a positive role in retaining soil, while double waterproof curtain formed by cement-soil mixing piles and dense-compacted grouting can effectively cut off water. Based on the project of Suzhou performing art...
Application and Numerical Simulation of Retaining Structure with Double-row Piles
Zhang Dan, Fa Liteng, Chen Quanfei
2014, 28(3): 157-159. doi: 10.3969/j.issn.1007-2993.2014.03.011
[Abstract](45) [PDF 1741KB](13)
Abstract:
Retaining structure with double-row piles has better lateral stiffness and ability of limiting the deformation. In this paper we took a foundation pit in Chaoyang District of Beijing as an example to introduce the applicability of retaining structure with double-row piles in the complex environment ...
Application of Soil Nailing of Steel Tube Combined with Compaction Grouting in Foundation Pit with Deep Miscellaneous Fill
Wang Tao, Yan Zhenhuan
2014, 28(3): 160-163. doi: 10.3969/j.issn.1007-2993.2014.03.012
[Abstract](51) [PDF 647KB](13)
Abstract:
Based on engineering example, a supporting method is introduced of soil nailing of steel tube combined with compaction grouting in foundation pit with deep miscellaneous fill. The design and construction of soil nailing of steel tube and compaction grouting is detailed described. The monitoring resu...

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