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静力触探,即在静力作用下,将探杆压入土层,利用探头内的阻力传感器,通过电子测量仪,将探头进入土中的贯入阻力反映和记录下来。贯入阻力的大小与土层性质有关,通过贯人阻力的变化情况,即可了解土层性质。静力触探具有速度快,精度高,不受扰动影响,便于电算等优点。但它需要用八芯电缆线将阻力信号转变成电信号,进行传递。八芯电缆线串入探杆中,给安装和携带探杆带来不便。
The static probe, that is, under the static force, pushes the rod into the soil layer, uses the resistance sensor in the probe, and reflects and records the penetration resistance of the probe into the soil through the electronic measuring instrument. The size of the penetration resistance is related to the nature of the soil, and the properties of the soil can be known through the changes in the resistance. The static cone penetration has the advantages of high speed, high precision, freedom from disturbances, and easy calculation. However, it requires an eight-core cable to convert the resistance signal into an electrical signal for transmission. The eight-core cable is in series with the probe, causing inconvenience in mounting and carrying the probe.