10底板大體積混凝土澆筑工程.doc

一、 施工準備
（一） 施工器具
耙子、掃把、白線、鋁合金刮杠、尖鍬、平鍬、混凝土地泵、插人式振搗器、平板振搗器、配電箱、塔吊、水泵等。
（二） 技術準備
1、 混凝土申請：澆筑棍凝±前，預先與混凝土供應單位辦理預拌混凝土委托單及澆灌申請，委托單的內容包括：混凝土強度等級、方量、坍落度、初凝終凝時間、是否加抗凍劑以及澆筑時間等。
2、 所有機具均應在澆筑混凝土前進行檢查，同時配備專職技工，隨時檢修。
3、 在混凝土澆筑期間，要保證水、電、照明不中斷。為了防備臨時停水停電，事先應在現場準備一定數量的人工攪拌和振搗用工具，以防出現意外施工縫。
4、 根據施工方案準備必要的塑料布、保溫材料及測溫用具等。
（三） 作業條件
1、 各種專業管線已埋設完畢，鋼筋隱檢、模板預檢已完成。
2、 施工人員的通道架設、泵管的架子已搭設完畢。
3、 振搗設備調試正常及備有一定數量的振搗棒。
4、 放料處與澆筑點的聯絡信號已準備就緒。
5、 勞動力安排已妥當，名單已上報。
6、 與城管部門協調好，確保混凝土的順利澆筑。
7、 檢查墻、柱插筋位置、數量，預埋件的位置、數量，預留洞的位置、數量，模板接縫是否嚴密，模板隔離劑涂刷情況、支撐系統的承載能力、剛度和穩定性是否滿足要求。
8、 板內是否清理干凈，如鐵絲、冷擠壓套管、木屑、
First, construction preparation
(A) Construction equipment
Rake, broom, white wire, aluminum scrape bar, pointed shovel, flat shovel, concrete pump, insert-type vibrators, plate vibrators, distribution box, tower cranes, pumps and so on.
(B) of the technical preparations
1, concrete application: placing the stick ± before coagulation, pre-processing and concrete ready-mixed concrete supply unit and the water for a single commission, commission orders include: concrete strength grade, square volume, slump, initial setting and final setting time, whether Add antifreeze, as well as pouring time.
2, all equipment should be inspected before pouring concrete at the same time, with full-time mechanic, maintenance at any time.
3, during the concrete pouring, to ensure water, electricity, lighting is not interrupted. In order to prepare for temporary power outages without water, a certain amount in advance to be prepared in the field of artificial mixing and vibrating tools, to protect against unforeseen construction joints.
4, according to the construction program to prepare the necessary plastic sheeting, insulation material and temperature measuring equipment and so on.
(C) Operating conditions
1, various professional pipeline has been laid finished steel implicit review, templates, pre-screening has been completed.
2, construction workers erected the channel, pipe rack erection has been completed.
3, vibration device debugging of normal and stick with a certain amount of vibration.
4, discharge liaison office and casting point the signal is ready.
5, labor arrangements are appropriate, the list has been submitted.
6, and urban management department to coordinate and ensure the smooth concrete pouring.
7, check the walls, columns Reinforcing location, quantity, location of embedded items, quantity, reserve position of the hole, the number of seams are tight template, template release agent brushing situation, support system, carrying capacity, rigidity and stability of whether it meet the requirements.
8, plate is clean, such as wire, cold extrusion casing, wood chips,
 

前往下載