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1、前言作者们认为,以关东那样的粘性土壤所构筑的士工结构物,可以用无纺土工布得到有效的补强。其理由有以下两点:(1)由于无纺土工布排水能力强,所以在填筑过程或降雨时具有控制孔隙水压力上升的机能;(2)无纺土工布具有作为张拉补强材料发挥其作用的可能性。没有排水能力的补强材料(例如,金属制的加固材料),即使其破裂强度和拉伸刚度足够大,加固材料表面也容易成为水路。即使不形成水路也有时没有排水机能,致使土中的孔
1. Foreword The authors believe that the structure of the structure created by the sticky soil like Kanto can be effectively reinforced with a non-woven geotextile. The reasons are as follows: (1) Non-woven geotextiles have a strong drainage capacity, so they have the function of controlling the increase of pore water pressure during the filling process or rainfall; (2) Non-woven geotextiles are used as tensile reinforcement materials. The possibility of playing its role. Reinforcing materials that do not have drainage capacity (for example, metal reinforcing materials) can easily become waterways even when their fracture strength and tensile stiffness are sufficiently large. Even if no waterway is formed, sometimes there is no drainage function, resulting in holes in the soil