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綜合管溝預埋件安裝施工技術交底.doc

更新時間: 2024-02-29
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所屬欄目: 路橋技術交底
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交底內容:
1. 本工程包含的預埋件種類:
綜合管溝預埋件主要為預埋鋼板、預埋鋼管、預埋吊環(huán)及爬梯等。在標準斷面的電纜倉、水倉和通信倉內的側墻、底板和頂板均須預埋鋼板,防火門兩側各埋設一塊500×100×10鋼板;電纜倉和通信倉的頂板底、底板頂須預埋吊環(huán),另在非標準斷面、綜合管溝交叉口及各種接出口附近均布置有預埋件。預埋件的具體布置詳見相關的設計圖紙。
2. 預埋件的制作:
預埋鋼板制作安排在公司車間進行,按照設計圖紙規(guī)格在車床加工鋼板,根據(jù)需用數(shù)量將加工好的鋼板運至施工現(xiàn)場。根據(jù)設計圖紙,規(guī)格為250×150×10的鋼板設兩排錨筋,每排3Φ14,錨筋間距為75.0mm,排距為50.0mm。規(guī)格為500×100×10的鋼板設一排錨筋,錨筋間距為100mm;錨筋與鋼板采用T形焊。
預埋Φ22鋼筋吊環(huán)安排在現(xiàn)場鋼筋加工場制作,按照設計圖紙進行下料、加工,制作完成后有序堆放在鋼筋棚內,并要注意防銹。
爬梯根據(jù)設計圖紙要求,若是包塑防腐爬梯,向廠家訂做,一般爬梯則安排在現(xiàn)場鋼筋加工場制作。
3. 預埋件的安裝:
(1).  測量定位:根據(jù)設計圖紙,按照預埋件的分布及間距在現(xiàn)場進行測量放線定位,并做好預埋定位點標記。
(2).  安裝順序:底板、側墻預埋鋼板要在其鋼筋綁扎完成后進行;頂板預埋鋼板及吊環(huán)要在模板安裝完成及綁扎鋼筋前進行。
(3).  固定措施:采用點焊的方法固定預埋件,固定時注意:
預埋件定位經(jīng)復核無誤后,將錨固鋼筋與綜合管溝結構鋼
Cards on the table contents:
1. This project contains embedded parts Category:
Combined duct embedded parts mainly for embedded steel, embedded pipes, rings and Ladders and so embedded. Section of the cable in the standard warehouse, water storage and communications positions within the side walls, floor and roof must be embedded steel, fire doors on both sides laying a 500 × 100 × 10 steel; cable storage and communications positions in the roof bottom, bottom Top to be embedded rings, the other section in the non-standard, integrated trench intersection and then exits are all embedded parts are arranged. See the specific arrangement of embedded parts related to the design drawings.
2. Embedded parts of the production:
Embedded steel making arrangements to conduct workshops in the company, in accordance with the design drawings specifications sheet in the lathe, the number will be processed according to Xu Yong steel shipped to the construction site. According to design drawings, specifications for the 250 × 150 × 10 set up two rows of steel anchor bars, each row 3Φ14, Anchorage spacing of 75.0mm, row distance of 50.0mm. Specifications for the 500 × 100 × 10 steel plates set up a row of Anchorage, Anchorage spacing of 100mm; anchor bars welded with steel plate with T-shaped.
Φ22 steel rings embedded steel processing arrangements made in the field, in accordance with the design drawings for cutting, processing, production of complete and orderly stacked steel shed, and to rust.
Ladder according to the design drawings, if coated corrosion ladder, customized to the manufacturers, the general ladder is scheduled for processing in the steel production site.
3. Embedded parts of the installation:
(1). Measurement Location: According to design drawings, in accordance with the embedded parts of the distribution and spacing were measured in the field-off position and do a good job embedded anchor tags.
(2). Installation order: bottom, side walls embedded in the steel plate after completion of banding; roof plate and rings embedded in the template installation is complete and the steel banding before.
(3). Fixed measures: use of spot-welding method of fixed embedded parts, fixed attention:
After review and correct positioning embedded parts, will be integrated trench anchor bars and structural steel
 

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