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Research on the Technique of Stone Filled Embankment Construction in Karst Area

Author: LiZuo
Tutor: WangChangHeng；WangLiLi
School: Hunan University
Course: Architecture and Civil Engineering
Keywords: Karst areas Highway Engineering Stone Embankment Construction Technology Quality Control Compression sedimentation rate Solid phase volume method
CLC: U416.12
Type: Master's thesis
Year: 2009
Downloads: 55
Quote: 1
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Abstract


With economic development , the central city in mountainous area extending from the coastal areas of highway construction is bound to be the construction of a large number of rock fill embankment . As the the domestic rock fill embankment research started late, the construction of the technology is not yet mature , the current highway design and construction specifications , many of the provisions is to learn from the the fill ground or low-grade roads dumping fill construction practices , the of Stone Embankment structure , paving rolling , the provisions of the compaction quality control standards and testing methods are relatively simple. Guangxi water south highway construction project as a platform through lava rock fill embankment rockfill requirements , Stone Embankment construction technology and quality control methods , fill embankment stability evaluation method of the study , more comprehensive ROCKFILL embankment built to fill the stone compaction mechanism filling and crushed role , as well as part of the arrangement of the role ; prevent the migration of fines from the perspective of compaction mechanism that cut off or reduce this fines migration path to improve the uniformity and integrity of the density of the rock fill embankment , reduce roadbed stratification , improve the stability of the roadbed , can impact Compactor supplement compaction to isolation layer technology , design In this paper, the compression ratio by subsidence hard rock compaction control measures to achieve and waterproof ; ; solid volume rate method of soft rock compaction control ; given energy equivalent concept commonly used vibratory roller grind pressed several times ; discussed filling embankment of on-site construction technology , and calculation examples and engineering examples .

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CLC: > Transportation > Road transport > Road works > Roadbed, pavement engineering > Subgrade > Embankment
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