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强夯法在路基的应用!

网址:http://www.sddhfjx.cn/   发布日期:2021-03-17 关注次数:0
强夯法在高速路路基中的运用强夯法就是指以便提升软弱地基的承载能力,强夯机出租,运用吊装机器设备,将10~25t的重锤式提高必须高宽比(10~25m)后使其随意降落,夯击土壤层使路基快速土体的方式。
The application of dynamic compaction method in highway subgrade is to enhance the bearing capacity of soft foundation, rent the dynamic compaction machine, use the hoisting machinery and equipment, raise the weight of 10 ~ 25t to the required height width ratio (10 ~ 25m), and then make it fall at will, and tamp the soil layer to make the subgrade soil quickly.
总地基沉降量在强夯前根据推平,辗压,施工放样后,确定每1个夯击点的夯前设计标高,确定该试验段夯前设计标高。其适用于砂类土、碎石土路基、非饱和猫性土与杂填土等路基的结构加固。对非饱和的猫性农田基,通常选用持续夯击或分遍间歇性夯击的方式。
According to the total foundation settlement before dynamic compaction, the pre compaction design elevation of each compaction point and the pre compaction design elevation of the test section shall be determined after leveling, rolling and construction lofting. It is suitable for the structural reinforcement of sandy soil, gravel soil subgrade, unsaturated soil and miscellaneous fill subgrade. For unsaturated cat foundation, continuous compaction or intermittent compaction is usually used.
强夯机出租
近些年来公路货运的发展趋势,很多道路尚需提升路面等級。副夯是在各个主夯点之间选择去进行的,于满夯是把夯点进行彼此的搭接到1/4后的连续夯击进行操作。
In recent years, with the development trend of road freight, many roads still need to upgrade the pavement grade. The auxiliary ramming is carried out between the main ramming points, and the full ramming is the continuous ramming operation after the ramming points are overlapped to 1 / 4.
运用目前旧路,进行扩宽加铺更新改造,可提升其路面等級或改进路面服务项目作用,进而改进目前路面公路网构造,强夯机租赁,使其具备更高的技术经济使用价值,一起旧路运用能够少占农田并有益于生态环境保护。
At present, the technology of dynamic compaction can be used to improve the ecological service of the old road, and it can be used to improve the ecological service of the old road.
在旧路基工程综合性更新改造运用中,强夯法是这种简易、经济发展、省时省力的方式 ,但绝大多数在质量管理时都选用贯入度等指标值,沒有考虑到与路面路基工程夯实标准的对接,即沒有明确提出一整套与密实度相关的强夯规范。
In the comprehensive renovation of old subgrade engineering, dynamic compaction method is a simple, economic development, time-saving and labor-saving way, but the vast majority of them choose the penetration and other index values in the quality management, without considering the connection with the compaction standard of pavement subgrade engineering, that is, they do not clearly put forward a set of dynamic compaction specifications related to the compactness.
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