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后张法预应力混凝土空心板在我国已得到了广泛应用。但在后张法预应力混凝土空心板施工中易产生裂缝。以下就预应力混凝土空心板再施工中容易出现不同部位的裂缝问题,结合实例从理论进行了初步分析与探讨,并提出了相应的防制措施。
Post-tensioned prestressed concrete hollow slab in our country has been widely used. But in the post-tensioned method of prestressed concrete hollow slab construction easy to crack. Following the pre-stressed concrete hollow slab re-construction prone to cracks in different parts of the case with examples from the theory of a preliminary analysis and discussion, and put forward the corresponding control measures.