目前，内结构设计的通用软件PKPM在计算井字梁的问题上存在不足之处。
At present, the internal generic software for structure design PKPM has some deficiency in calculating cross beam.
当“井”字梁结构外露，特别是梁的高度与宽度都较大时，对消防喷头的布置带来很大影响。
When the grillage beam structure is exposed outside, especially when the height and width of the beam are relatively large, the spray head layout will be greatly influenced.
从结构形式和经济比较方面，探讨了在框架结构中采用空心楼板代替井字梁的实用性和经济性。
From aspects of the structure form and economic comparison, this paper probes into the practicality and economy of using the hollow block floor to replace the cross beam in the frame structure.
钢筋混凝土楼(屋)盖结构大都采用单向板、双向板、主次梁结构、无梁楼板以及井字梁结构等。
The one-way slab, two-way slabs, principal and subordinate-beam structure, non-beam structure and the grid-beam structure are putting into use in the reinforced concrete slab.
钢筋混凝土楼(屋)盖结构大都采用单向板、双向板、主次梁结构、无梁楼板以及井字梁结构等。
The one-way slab, two-way slabs, principal and subordinate-beam structure, non-beam structure and the grid-beam structure are putting into use in the reinforced concrete slab.
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