预应力混凝土空心板在施工过程中，易产生裂缝。
The prestressed concrete voided slab is liable to produce crack in construction.
考虑预应力混凝土空心板的构造特点，推导了进行板内力分析的各向异性有限元法公式。
In order to design irregular prestressed concrete floor, formulas of anisotropic finite element method to analyze the internal force of prestressed concrete hollow slab have been presented.
本文从工艺原理、特点、工艺技术几个方面，论述了先张预应力混凝土空心板梁的施工技术。
The paper discussed the construction technology of pre tensioned prestressed concrete hollow plate beam from the technologic principle, characteristic and construction technique.
后张预应力混凝土空心板是一种高效预应力空心板，目前国内尚未对其结构性能进行系统研究。
Post tensioned prestressed concrete hollow slab(PTPCHS) is one of high strength prestressed concrete hollow slab, and its construction performance is still unknown yet.
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。
The paper introduces specific construction process of pretensioning cored slab beam at some length, improves existing problems in construction.
介绍了这些试验及研究结果，给出了冷轧带肋钢筋预应力混凝土空心板中混凝土拉应力限制系数的建议值。
Results of the test and theoretical researches are introduced and the values of restrictive coefficient of tension stress in concrete for design of the slabs are suggested.
本文从分析预应力混凝土空心板单体成形挤压机铰刀的服役条件出发，选择了低铬钼白口铸铁做为饺刀材质。
In this paper. Service Condition of an auto-Cutting apart extrusion machine reamer for making prestressed hollow-cored concrete articles is analysised.
此外，通过该梁的非线性计算结果与实测结果的分析对比，对预应力混凝土空心板梁的非线性破坏规律进行了有益探索。
Besides, through the analysis and contrast of the theoretical results and measured ones, the nonlinear deformation and failure behaviors on the hollow slab beam were discussed.
采用预应力混凝土空心板或实心薄板作为底板的装配整体式叠合楼盖具有整体式楼盖和装配式楼盖的双重优点，是一种很有前途的楼盖形式。
Assembly-integral composite floor which used pre-stressed hollow slabs or solid thin-slabs has dual merit of integral floor and assembly floor, it is a kind of floor which has good prospects.
本实用新型的自动切割式预应力混凝土空心制品挤压机，包括窄板挤压机和宽板挤压机。
The utility model discloses an auto-cutting type extruder for hollow concrete products, which comprises a narrow plate extruder and a wide plate extruder.
］大跨度预应力空心板的设计有不同于普通混凝土空心板和预应力实心板之处，需要在设计中加以注意。
The design of cast-in-place prestressed concrete hollow slab is different from concrete hollow cast slab or prestressed concrete slab, these differences should be paid attention to during the design.
］大跨度预应力空心板的设计有不同于普通混凝土空心板和预应力实心板之处，需要在设计中加以注意。
The design of cast-in-place prestressed concrete hollow slab is different from concrete hollow cast slab or prestressed concrete slab, these differences should be paid attention to during the design.
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