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綜合管溝變形縫施工技術(shù)交底.doc

更新時間: 2024-02-29
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上傳會員: 龍龍
所屬欄目: 路橋技術(shù)交底
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資料簡介

交底內(nèi)容:
1. 綜合管溝工程每約30m分為一段,段與段之間設(shè)置變形縫,具體變形縫位置設(shè)置見設(shè)計圖紙中圖號為“RC501C-Z-07”中的《中環(huán)路綜合管溝變形縫位置表》及其說明以及相關(guān)的設(shè)計變更通知單。
2. 綜合管溝及其附屬工程中的變形縫,包括橡膠止水帶、雙組份聚硫密封膏、聚乙烯發(fā)泡填縫板等,變形縫所用材料應(yīng)符合《地下防水工程質(zhì)量驗收規(guī)范》(GB50208-2002)的要求。變形縫所用產(chǎn)品都應(yīng)嚴格按照生產(chǎn)廠家推薦的方法裝卸、放置、裝配和安裝。
3. 變形縫嵌縫材料施工前,應(yīng)對變形縫進行檢查,使其符合圖紙要求,并將預(yù)留凹槽內(nèi)混凝土打毛,清掃干凈。
4. 止水帶中心線應(yīng)和變形縫中心線重合,止水帶不得穿孔或用鐵釘固定;寬度和材質(zhì)的物理性能應(yīng)符合設(shè)計要求,且無裂縫和氣泡。
5. 在進行雙組份聚硫密封膏材料嵌縫施工時,縫內(nèi)兩側(cè)應(yīng)平整、清潔、無滲水,并涂刷與嵌縫材料相容的基層處理劑;嵌縫時應(yīng)先設(shè)置與嵌縫材料隔離的聚乙烯泡沫塑料板;嵌縫應(yīng)密實,與兩側(cè)粘結(jié)牢固。
6. 聚乙烯發(fā)泡填縫板橡膠止水帶中心線和變形縫中心線重合并用模板固定牢固。
7. 綁扎變形縫鋼筋時要保護已安裝好的變形縫材料。
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Cards on the table contents:
1. Comprehensive trench of about 30m each into a project, set the deformation joint between paragraphs and paragraphs, the specific deformation joint location settings, see the design drawings in number "RC501C-Z-07" in "in the loop of Combined duct deformation Gap Position Table "and its description, and design changes related to notice.
2. Combined duct and ancillary works in the deformation joint, including the rubber water stop, two-component polysulfide sealant, such as polyethylene foam sealing plate, deformation joint materials used should be consistent with "underground waterproof construction quality acceptance "(GB50208-2002) requirements. Deformation joint product should be used in strict accordance with the manufacturers recommended method of handling, placement, assembly and installation.
3. Deformation joint filling material before construction, deformation joint inspections should bring it in line drawings, and concrete hit the groove, hair aside, cleaned up.
4. Sealing and deformation joint center line center line should coincide water stop shall not be perforated or nails fixed; width and physical properties of materials should meet the design requirements, and no cracks and bubbles.
5. Conducting two-component polysulfide sealant caulking materials, construction, fissures on both sides should be smooth, clean, no water seepage, and brushing with the filling material compatible with the primary treatment agent; caulking should first set and caulking materials, polyethylene foam isolation plate; caulking should be dense, with both sides firmly bonded.
6. Polyethylene foam sealing plate deformation joint rubber water stop center line and center line of fixed firmly re-merge with the template.
7. Lashing deformation joint reinforcement has been installed to protect when the deformation joint material.
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