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强夯是将大吨位重锤提升到一定高度,使其自由下落,按特定的工艺对地基进行强力夯实,以达到加固地基作用的施工方法。它是在重锤夯实法的基础上发展起来的,但这两种方法在加固原理、适用范围、施工工艺和加固效果等方面都迥然不同。1979年初我国开始试验研究,并在许多项工程中应用。从1979年以来,我公司和建设部综合勘察院等20多个科研、设计、勘察单位协作,先后在河北、北京、山东、天津、河南等地对34项工程约80万平方米建筑面积的189项建(构)筑物进行了强夯加固地基,处理基底面积达27万平方米,夯击面积约38万平方米。由于夯后土体得到加固,原设计采用深基础的建筑物改成浅基础。与采用桩基比较,节
Powerfulness is to raise the heavy tonnage weight to a certain height, make it free fall, according to a specific process to carry out strong consolidation of the foundation, in order to achieve the role of construction methods to reinforce the foundation. It is developed on the basis of heavy hammer compaction method, but these two methods are very different in terms of reinforcement principle, scope of application, construction process and reinforcement effect. At the beginning of 1979, China began experimentation and application in many projects. Since 1979, our company has collaborated with more than 20 scientific research, design, and investigation organizations such as the Ministry of Construction’s General Survey Institute, and has successively constructed about 800,000 square meters of construction area for 34 projects in Hebei, Beijing, Shandong, Tianjin and Henan. A total of 189 buildings (structures) were reinforced with reinforced foundations, with a base area of 270,000 square meters and an area of 380,000 square meters. Due to the reinforcement of the soil after the squat, the original design of the building using a deep foundation was changed to a shallow foundation. Compared with using pile foundation, section