The closed building floor steel deckcan completely replace the tensile steel bar with positive bending moment in the floor, and does not need to spray fireproof paint to reach the 2 hours' refractory aging;

　　When floor steel deckis only bent according to the span, the steel floor steel deckcan be connected with the steel beam, because the bottom of the slab is smooth, and there is enough joint area with the steel beam. Therefore, no treatment can be directly laid in the past (to avoid opening floor steel deckand steel beam and a virtual cut patch);

　　The opening floor floor steel deckshall block the floor steel deckat the port so as to avoid pouring the concrete into thefloor steel deck the bottom of the plate, and the end floor steel deckis closed without the end blocking plate;

　　The building floor steel deckreplaces the traditional formwork and improves the shortcomings of the traditional formwork;

　　The closed section of floor floor steel deckfloor steel deckbottom gravity center distance of about 16mm, less than the open type or reentrant floor floor steel deckparameters, according to the plasticity theory analysis of structural bearing capacity of composite slab, concrete pressure force and tensile force center center with arm greater, the said material strength play more fully, so the closed composite slab the structure has greater bearing capacity or has higher safety coefficient;

　　The floor steel deck floor steel deckreplaces the lower steel bar completely, and reduces the quantity of the steel reinforcement on the spot, thereby reducing the labor quantity on the spot and speeding up the construction speed. At the same time, the original design of lower reinforcement can provide more space for laying wires and wires in the floor;

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　　今天发往帕劳的货生产完了。工期非常紧张，S350GD材质的，120克/平方米的材料，我们在订购之后，材料在酸洗的过程中，我们发现材质只能达到S320GD，于是重新给客户定制。5天内把150吨YX75-200-600的开口楼承板加工完，打包好，这个速度是非常赞了。我觉得及时交货，这个是对客户起码的要求，没啥好说的——无非就是我们加工速度有些赞。但是实际上我是不希望赶着做生意，毕竟天气热，工人本身也有自己的节奏。