lompiacv
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true religion jeans Construction of trough solder |
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,[link widoczny dla zalogowanych]
Construction of trough solder Rational Analysis of the results of exploration and use of
Analysis and use of 71m), end wall and the soil and the contact area ratio is less than l; 181, end the resistance of soil to provide a very small proportion. To provide lateral resistance primarily from the soil, the shear strength for the vi = o'tan ~ + C, where: the level of stress to the weight for the soil external friction angle, C is soil cohesion. For the clay, the smaller, but also smaller, C large, sandy soil is the other hand, probe pole hit clay layer. Although the value of the smaller, but fools better soil physical probe rod wrapped grip, C is large, so the number of borer attack the larger probe. Hit sandy soil probe rod, due to the vibration of hammering, the thrust rod and the soil appears the gap between the contact area is reduced,[link widoczny dla zalogowanych], c value is also small, lateral strength provided the soil is small, so the drill hit a few more exploration small light penetration of the probe structure determines the status of their work is different from the drill exploration,[link widoczny dla zalogowanych], regardless of how the human soil depth. Not due to probe rod and soil contact, the probe tip and the side wall and the soil contact area ratio is constant l: L6 probe beating fools of soil. Lateral soil shear strength provided by its value due to small contact area is smaller, at the bottom of the shear strength r, a atanS + C, the cohesion C is constant, is generated by the heavy hammer blows, and its value compared large, but the clay of the internal friction angle is smaller,[link widoczny dla zalogowanych], but also small. It is also smaller, so will the depth of the probe will hit the heavy clay in a number of small hammer (rj acting on the probe cone. Its size determines the size of the vertical component of the probe hit J in the sandy soil,[link widoczny dla zalogowanych], throw into confusion due to soil friction angle value within the larger. too large, the probe cone by the normal stress, so even smaller c values, the probe providing the bottom of the shear strength of soil is large, so the probe hit sand certain depth of soil in the number of large hammer, 3 Conclusion engineering examples and theoretical analysis available to the following conclusions: (1) hammer drill exploration in the clay layer a few large, sandy soil in the small ( 2) the number of light penetration in the clay layer hammering small, sandy soil in the larger (3) is not reflected in the number of hammer drill exploration range of soil properties of the probe, but the probe pole roughly reflect the range of human land Thus the general situation within the soil, the construction trough when using the drill exploration. should end sets the scene comprehensive analysis of soil properties, the same soil, hammering reflect differences in the number of hard and soft soil conditions, that is, capacity size, and for different the ground conditions, the strike only reflect differences in the number of different soil properties, but does not reflect the size of capacity. If there is no clear understanding of this may be the wrong conclusion References [1_ Qin Zhi sea. Soil Mechanics and Foundation EM . Beijing: China Water Power Press, 1998. [2], building foundations and soil test standard specification assembly Es]. Beijing: China Planning Press .1995. RationalAnalysisandApplicationofDrillRodDetectionResuhsinConstructionTestTanksQINZhi-hai, WANGLian-xing., ZUODa-hu1DeparzmentofCivilEngineering.HegelEngineerinRand 【echnicalCollege . Cangzhou061001.China2CallgzhouNo.1CollstructionCompany.Cangzlmu061001.China) Abstract: Inconstructiontanktesting, drilldetectionresultcanbeusedtoJudgethedegreeofevennessofearthlayer, butitisimpossibletodeterminethebearingabilityofearthjustaccordingtotheresult. Withthehelpofengineeringpractices, thereasonfordiscrepancyofdrillresultsisanalyzedandthcimportanceofrationalanalysisandapplicattonoftheresultisstressed. Keywords: testta] 1k; drillroddetection; earthlayer: degreeofevenness (Editor: HEALTH STATISTICS) ●, i
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