短水准场地环境地质条件的研究与改善 |
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引用本文: | 吴少武,张四维,韩广英,丁仁杰,孙昭杞. 短水准场地环境地质条件的研究与改善[J]. 防灾减灾工程学报, 1986, 0(3) |
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作者姓名: | 吴少武 张四维 韩广英 丁仁杰 孙昭杞 |
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作者单位: | 江苏省地震局,江苏省地震局,江苏省地震局,江苏省地震局,江苏省地震局 |
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摘 要: | 本文以南京基准地震台短水准场地的改造工作为例,分析了场地的地质构造、地貌、岩土性质、水文地质、植被、气温等环境地质条件,提出了地下水位的变化与点位所在的岩土相互作用,可能是南京基准地震台短水准点位变化的主要干扰机制。为改善场地测点的环境条件,制订了设置基岩标和水位观测孔的改造方案。新老点位对比观测的资料表明:场地改造工程达到了预期目的。
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STUDY ON THE ENVIRONMENTAL GEOLOGICAL CONDITION OF SHORT LEVELING SITE,AND ITS IMPROVEMENT |
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Abstract: | This paper takes the reconstruction of short leveling site at Nanjingstation as an example, to study the environmental geological conditions.The authors propose that the main disturbance to affect the stability ofsite position is the variation of ground water level by reacting on rocksand soils. The bedrock bench marks and water table observation wellhave been established so that the environment conditions can be improvedand a thorough and careful study can be carried out. |
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