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岩石由于所处朝向、环境不同,岩石的风化剥落深度不完全相同。岩石风化的程度在某种程度上可用其风化速度来表示。作者利用精度较高的仪器,对位于浙江温岭新河镇的张元勋故居不同朝向所用凝灰岩石板进行了风化剥落深度量测,得出东西南北四个朝向的5个测区9块凝灰岩石板的平均风化剥落深度和最大风化剥落深度分别为1.56~6.86mm和3.48~20.49mm,并以此计算出平均和最大的相应风化速度分别为0.003594~0.015806mm/a和0.008018~0.047212mm/a。研究发现,朝西的石板风化速度最大,朝南的石板风化速度最小。结合被测对象现场温湿度、照度和紫外线辐射强弱的测量值及被遮挡情况分析,笔者认为岩石所处环境的不同造成了相同石板风化速度的差异。
Due to the direction of the rock, the environment is different, the rock weathered peel depth is not exactly the same. The extent of rock weathered can be expressed in terms of its weathering rate to some extent. Using high-precision instruments, we measured the depth of weathering and peeling of the tuff slabs used in different orientations of Zhang Yuanxun’s former residence in Xinhe Town, Wenling, Zhejiang Province, and obtained the average of nine tuff slates The weathered peel depth and the maximum weathered peel depth are 1.56-6.86mm and 3.48-20.49mm, respectively, and the average and maximum corresponding weathering velocities are 0.003594-0.015806mm / a and 0.008018-0.047212mm / a, respectively. The study found that the west facing the most weathered stone slab, South facing the smallest weathered stone. According to the measured values of the temperature, humidity, illumination and ultraviolet radiation of the measured object and the occluded situation, I think the difference of the weathering rates of the same slate caused by the different environments of the rock.