- 1.（一立方米石料）cubic metre of stone
2.（石方工程） stonework; rock excavation 短语和例子
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- This paper introduces the controlled blasting techinque for stonework and preventive technique for existing lines in construction of depressed roads extension of double line railway
本文介绍了铁路复线扩堑施工中的石方控制爆破技术及对既有线的安全防护技术。 - Under this circumstance , the blasting design is reasonably made and the blasting construction is precisely organized as well , and then the better construction result is obtained at last
根据实际情况，合理进行厂房边坡石方爆破设计，精心组织爆破施工，取得了较好的效果。 - Abstract : this paper introduces the controlled blasting techinque for stonework and preventive technique for existing lines in construction of depressed road ' s extension of double line railway
文摘:本文介绍了铁路复线扩堑施工中的石方控制爆破技术及对既有线的安全防护技术。 - On the basis of analysis of factors impacting on earthwork allocation and transportation , a new kind of earthwork allocation and transportation method based on ant algorithm ( aa ) and particle swarm optimizer ( pso ) is presented in this paper , and it has the advantages of being able to consider nonlinear restrictions and uncertain factors
摘要本文分析了水利工程中土石方调运的影响因素及其特点，提出了一种基于蚂蚁算法和粒子群算法的土石方调运优化方法。 - How to ensure the project implement safely and effectively , esp in the complicated condition of geology , the terrain and its features , is the key to restrict the project finishing successfully ; in this paper , the theoretic analyse and pratical study based on the extension of 309 country road ( from wuan to shexian in hebei province ) , adopt the method of theoretical analyse , caculater and experiment , improve the controlling blasting skill and construction crafr of roadbed stonework , control the blasting harm effectively , accomplish the construction quickly and safely in normal conditions . the paper puts forward to the relative parameter applying to roadbed extension in beforecrack blasting , and raises the combination of beforecrack demolition and buffer demolition , which is the main way to conctrol the side - slope stable and taking shape . putting to use the achievement produces great social benifet and economic benefitjt has widely practical future
特别是在复杂的地质，地形及地物条件下，如何保证工程的安全快速有效实施成为制约工程顺利完成的关键。本文的理论分析和实践研究以国道309河北武安至涉县段改建工程为依托，采用理论分析计算与现场试验相结合的方法，研究并优化了路基石方控制爆破技术与施工工艺，有效控制了爆破危害，实现了保证现有公路正常运营条件下的快速安全施工，本文提出了在预裂爆破中适合于路基扩堑工程的有关参数。同时提出了预裂爆破与缓冲爆破相结合是控制边坡稳定和成形的主要途径。