scholarly journals MODEL TESTS ON COMPRESSIBILITY AND BEARING CAPACITY OF LEANMIXED GRANULAR CEMENT TREATED SOIL

2010 ◽  
Vol 66 (2) ◽  
pp. 236-249 ◽  
Author(s):  
Hidenori TAKAHASHI ◽  
Yoshiyuki MORIKAWA ◽  
Eitoku ICHIKAWA ◽  
Kimitoshi HAYANO ◽  
Youtaro OHKUSA
Keyword(s):  
Bearing Capacity ◽  
Model Tests ◽  
Treated Soil

scholarly journals MODEL TESTS OF INSTALLATION AND BEARING CAPACITY OF SCREWED PILES

2007 ◽  
Vol 72 (620) ◽  
pp. 75-80 ◽  
Author(s):  
Tsutomu TSUCHIYA ◽  
Fumikazu OHSUGI ◽  
Futa NAKAZAWA ◽  
Masao SHIMADA
Keyword(s):  
Bearing Capacity ◽  
Model Tests

Model Tests of Foundation Bearing Capacity of Sandy Soil and Pile Foundation Bearing Capacity

2014 ◽  
Vol 580-583 ◽  
pp. 113-117
Author(s):  
Shi Jie Lu ◽  
Hua Dong Chen ◽  
Wei Chen ◽  
Tong Xiang ◽  
Xie Feng Hong
Keyword(s):  
Bearing Capacity ◽  
Sandy Soil ◽  
Pile Foundation ◽  
Soil Mechanics ◽  
Model Tests ◽  
Foundation Engineering ◽  
Foundation Settlement ◽  
Load Bearing ◽  
Model Device ◽  
Weight Loading

Using self―made model device, researchers studied the characteristics of foundation settlement of sandy soil and pile foundation load―bearing in sandy soil. Through weight loading, researchers analyzed the phenomenon of foundation settlement. Then, researchers embedded friction piles in sand, so as to analyzed pile foundation bearing capacity. The methods and results of the research can provide guidance for teaching of Soil mechanics and foundation engineering.

Geotechnical model tests of bearing capacity problems in a centrifuge

Géotechnique ◽  
1985 ◽  
Vol 35 (1) ◽  
pp. 33-45 ◽  
Author(s):  
T. Kimura ◽  
O. Kusakabe ◽  
K. Saitoh
Keyword(s):  
Bearing Capacity ◽  
Model Tests ◽  
Geotechnical Model

scholarly journals MODEL TESTS AND ANALYSES ON BEARING CAPACITY OF CAISSON-TYPE BREAKWATER MOUND CONTAINING REINFORCING EMBANKMENT

2015 ◽  
Vol 71 (2) ◽  
pp. I_1047-I_1052
Author(s):  
Hidenori TAKAHASHI ◽  
Shinji SASSA ◽  
Yoshiyuki MORIKAWA ◽  
Daiki TAKANO ◽  
Hideo HASHIZUME ◽  
...  
Keyword(s):  
Bearing Capacity ◽  
Model Tests

scholarly journals Pile Model Tests Using Strain Gauge Technology

2015 ◽  
Vol 37 (3) ◽  
pp. 49-52 ◽  
Author(s):  
Adam Krasiński ◽  
Tomasz Kusio
Keyword(s):  
Bearing Capacity ◽  
Axial Force ◽  
Strain Gauge ◽  
Force Measurement ◽  
Ground Level ◽  
Model Tests ◽  
Scale Model ◽  
Small Scale ◽  
Pile Head ◽  
Pile Model

Abstract Ordinary pile bearing capacity tests are usually carried out to determine the relationship between load and displacement of pile head. The measurement system required in such tests consists of force transducer and three or four displacement gauges. The whole system is installed at the pile head above the ground level. This approach, however, does not give us complete information about the pile-soil interaction. We can only determine the total bearing capacity of the pile, without the knowledge of its distribution into the shaft and base resistances. Much more information can be obtained by carrying out a test of instrumented pile equipped with a system for measuring the distribution of axial force along its core. In the case of pile model tests the use of such measurement is difficult due to small scale of the model. To find a suitable solution for axial force measurement, which could be applied to small scale model piles, we had to take into account the following requirements: - a linear and stable relationship between measured and physical values, - the force measurement accuracy of about 0.1 kN, - the range of measured forces up to 30 kN, - resistance of measuring gauges against aggressive counteraction of concrete mortar and against moisture, - insensitivity to pile bending, - economical factor. These requirements can be fulfilled by strain gauge sensors if an appropriate methodology is used for test preparation (Hoffmann [1]). In this paper, we focus on some aspects of the application of strain gauge sensors for model pile tests. The efficiency of the method is proved on the examples of static load tests carried out on SDP model piles acting as single piles and in a group.

Analytical Study of Load-Settlement Behavior of Soil Treated with Stone Columns have Different Sectional Shape

2020 ◽  
Vol 857 ◽  
pp. 319-327
Author(s):  
Moataz A. Al-Obaydi ◽  
Zeena A. Al-Kazzaz
Keyword(s):  
Bearing Capacity ◽  
Soft Soil ◽  
Engineering Properties ◽  
Stone Columns ◽  
Equivalent Diameter ◽  
Element Analysis ◽  
Cross Sectional ◽  
Treated Soil ◽  
Almost All ◽  
Sectional Shape

Stone columns have been used widely to improve the engineering properties of the weak soil. Most of the previous works considered a circular section for the stone columns. In the present study, finite element analysis has been carried out to investigate the effect of stone columns shape and length on the settlement and bearing capacity of soft soil. Accordingly, three types of cross sectional shape for stone columns have been selected which they are circular, rectangular, and square sections with equivalent area. Various length of columns are adopted with diameter of 0.75m that achieved length to diameter or equivalent diameter ratios (L/d=2, 4, 6, 8, and 10) of columns spacing (S/d=3). The results show that the stone columns has tangible effects on the settlement of the soil while has minor effects on the bearing capacity. The settlement of the treated soil with stone columns have L/d=2, reduces by 18.0, 17.3, and 19.3% for circular, rectangular , and square sections respectively. With increasing length of the columns to L/d=10, further reductions in the settlement obtained of (27.1, 28.1, and 27.0%). Bearing capacity of the soil increased slightly with length of the stone columns. Almost all cross sectional shapes of the columns give bearing capacity about same. The increased in the bearing capacity of the treated soil with stone columns have L/d=2, not exceeded 10% for all sectional types. The average increments in bearing capacity when L/d=10 are 12 and 15% at settlement 50 and 100mm respectively. Insignificant changes in bearing capacity upon increasing length of columns from L/d=2 to 10 of maximum 5%. The plastic zone recedes with the increasing length of the stone columns. Finally, from the results obtained, it can be concluded that the stone columns shape has negligible effects on the settlement and bearing capacity of the soil.

Experimental study of punching coefficients and shape factor for two-layered soils

1979 ◽  
Vol 16 (4) ◽  
pp. 802-805 ◽  
Author(s):  
A. J. Valsangkar ◽  
G. G. Meyerhof
Keyword(s):  
Experimental Study ◽  
Bearing Capacity ◽  
Shape Factor ◽  
Model Tests ◽  
Punching Shear ◽  
Deep Foundations ◽  
Layered Soils ◽  
Shape Factors ◽  
Capacity Theory ◽  
Strip Footings

The ultimate bearing capacity of deep foundations has been investigated for the case of a strong layer overlying a weak stratum. The studies are based on model tests using buried circular and strip footings for a range of layer thicknesses. Based on the previously developed bearing capacity theory, the punching shear coefficients and corresponding shape factors have been evaluated.

Model tests on bearing capacity and accumulated settlement of a single pile in simulated soft rock under axial cyclic loading

2017 ◽  
Vol 12 (4) ◽  
pp. 611-626 ◽  
Author(s):  
Benjiao Zhang ◽  
Can Mei ◽  
Bin Huang ◽  
Xudong Fu ◽  
Gang Luo ◽  
...  
Keyword(s):  
Cyclic Loading ◽  
Bearing Capacity ◽  
Soft Rock ◽  
Model Tests ◽  
Single Pile ◽  
Axial Cyclic Loading
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