Based on the four point flexural test of beam and axial compress test of puncheon, the paper studied the structural performance and failure mechanism of Carbon Fiber Cored Composite Materials.

本文通过碳纤维夹芯复合材料梁的四点受弯试验和碳纤维夹芯复合材料短柱的轴心受压试验，研究了碳纤维夹芯复合材料的结构性能和破坏机理。

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The paper introduces specific construction process of pretensioning cored slab beam at some length, improves existing problems in construction.

就先张法预应力混凝土空心板梁的施工过程作了详细的介绍，对施工中存在的问题作了相应的改进措施。

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