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The design and installation of the cover plate for galvanizing ditch

沟盖板采用钢格板制造的沟（井）盖板，具有多种型号可供选择以适合不同的跨距载荷及要求。镀锌沟盖板由于强度高、排水畅、耐腐蚀、寿命长、成本底等特点，被广泛应用于交通道路上的人行道，车行道，停车场，码头或建筑物等地沟表面。根据使用场合的不同，不同规格型号的沟（井）盖板，表面可热浸锌、冷镀锌（电镀）或者不处理.

The trench cover plate is a trench (well) cover plate made of steel grille plate. It has a variety of models available for different span loads and requirements. Due to the characteristics of high strength, smooth drainage, corrosion resistance, long life and low cost, the galvanized groove cover is widely used in pavement, road, parking, dock or building surface. The surface of trench (well) covers of different sizes and sizes may be hot dipped, cold galvanized (electroplated) or not treated.

镀锌沟盖板尺寸选用说明

Description of size selection for galvanized groove cover plate

1.对于使用于交通道路上的人行道，车行道，停车场钢格板，码头或建筑物地面的沟盖板，因为荷载及车行方向的不同，其设计和选型应作实际情况的考虑。

1. the design and selection of the pavement on the road, the road, the steel grid plate of the parking lot, the dock or the ground floor of the building, should be considered as the actual situation, because the load and the direction of the vehicle are different.

2.用于道路上的水沟、横断沟盖（车行方向与承载扁钢方向相平行）时，不仅要考虑轮压，冲击，还需防止沟盖板弹跳移位的危险，必须将沟盖板与角钢、支梁固定（可以使用焊接固定或钢格板安装夹固定）。

2. for the water trench and the transverse trench cover (parallel to the direction of the flat steel) on the road, it is necessary not only to consider the wheel pressure and impact, but also to prevent the danger of the bounce and displacement of the groove cover. It is necessary to fix the groove cover with the angle steel and the supporting beam (which can be fixed with welding fixed or steel plate mounting clamp).

镀锌沟盖板荷载选用

Selection of load on cover plate of galvanized ditch

轻型：25吨/m2 ；小车，行人通行的校园住宅园，公园，地下停车场和厨房等。

Light: 25 tons /m2; trolley, pedestrian campus campus Park, park, underground car park and kitchen.

重型：70吨/m2 ; 20吨以下汽车通行的厂区，一般公路，主干道路边，停车场和街道等。

Heavy duty: 70 tons /m2; 20 tons of motor vehicles passing through the factory area, general highway, main road side, parking lot and street.

超重型、：140吨/m2 ；重型拖车，集装箱叉车，吊车和飞机等通行的主干公路，特大型停车场，矿山，码头和机场等。

Super heavy,: 140 tons of /m2; heavy trailer, container forklift, crane and aircraft and other main roads, large parking lots, mines, wharfs and airports.

沟盖板的安装

Installation of groove cover

1.安装须知：支撑框的锚固片必须牢固地埋入水泥层内；

1. installation instructions: the anchorage sheet of the support frame must be firmly embedded in the cement layer.

2.水沟两边的支撑面必须平整、坚固；

The support surfaces on both sides of the 2. ditch must be flat and solid.

3.扁钢方向为承重（支撑）方向，按沟（井）宽留间隙定扁钢长度L;

3. flat steel direction for bearing (support) direction, according to the width of the groove (well) wide clearance flat steel length L;

4.按沟（井）长排版，取符合加工模数的标准板宽995mm，板间留间隙5mm;

4. according to groove (well) long typesetting, take the standard board width 995mm which accords with the processing modulus, and leave the gap 5mm between the boards.

5.沟（井）长余下不足1米部分靠模数定尺寸；

5. the length of the ditch (well) is less than 1 meters.

6.根据沟（井）宽及承载要求选定钢格栅板型号，建议选择标准尺寸进行设计施工。

6. according to the width of the trench (well) and the bearing requirement, the type of steel grille plate is selected, and the standard size is recommended for design and construction.