| 1. | Aerospace - fibre reinforced plastics - testing of unidirectional laminates ; determination of shear strength and shear modulus in tension 航空航天.纤维增强塑料.单向层压制品试验.拉伸剪切强 |
| 2. | It can be concluded that difference between tensile modulus and compressive modulus is an important property of soil and the solution of elasticity theory with different modulus in tension and compression is necessary and reasonable 可以认为,拉压模量不同是土的重要性质,拉压模量不同弹性理论解答的提出是合理的。 |
| 3. | The method based on the solution of elasticity theory with different modulus in tension and compression not only solves the problem of settlement calculation of pile foundation , but also can play an important role in other engineering field 基于拉压模量不同弹性理论解的方法能够合理解决桩基沉降计算问题,而且对岩土工程其它问题和其他领域工程问题也有广阔的应用前景。 |
| 4. | The applications in analysis of pile foundation show that the method based on the solution of elasticity theory with different modulus in tension and compression gives reasonable results and the method can explain the questions of some methods in existence logically 应用表明,基于拉压模量不同弹性理论解的桩基分析方法给出了合乎实际的规律性分析,同时对已有计算方法出现的问题作出了合理的解释。 |
| 5. | This paper focuses on the problem of semi - infinite elastic body filled with the material which behaves differently in tension and compression . the contents include : ( 1 ) the solution of elasticity theory for the material incapable in tension is established by introducing heaviside function ; ( 2 ) the solution of elasticity theory with different modulus in tension and compression is established based on the solution of elasticity theory for the material incapable in tension and mindlin ' s solution ; ( 3 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the stress of pile foundation ; ( 4 ) the solution of elasticity theory with different modulus in tension and compression is employed to analyze the settlement of pile foundation 本文考虑材料的拉压性能不同的特点,对半无限空间内部作用竖向集中力问题进行了新的研究,做了如下工作: ( 1 )引入heaviside函数,建立了不能承受拉应力材料的弹性理论解; ( 2 )基于不能承受拉应力材料的弹性理论解和mindlin解,建立了拉压模量不同材料的弹性理论解; ( 3 )将拉压模量不同材料的弹性理论解应用于桩基应力分析; ( 4 )将拉压模量不同材料的弹性理论解应用于桩基沉降分析。 |