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    科學技術論文

    水利水電工程防滲施工技術的要點

    時間:2019年04月08日 所屬分類:科學技術論文 點擊次數:

    摘要:近些年來,我國水利水電工程不斷發展,這一工程項目需要運用開挖和回填等技術,因此在水利水電工程項目開展中需要提升防滲施工技術的應用效果。我國水利水電工程在防滲施工技術方面的應用仍處于探索發展階段,因此需要更好地掌握這一施工技術的要點來

      摘要:近些年來,我國水利水電工程不斷發展,這一工程項目需要運用開挖和回填等技術,因此在水利水電工程項目開展中需要提升防滲施工技術的應用效果。我國水利水電工程在防滲施工技術方面的應用仍處于探索發展階段,因此需要更好地掌握這一施工技術的要點來提高施工質量,以此來更好的推動我國水利水電行業的不斷向好發展。

      關鍵詞:水利水電工程,防滲施工,技術要點

    廣東水利水電

      1水利水電工程滲水險情特點及防滲施工概述

      1.1水利水電工程滲水險情特點

      1.1.1突發性

      水利水電工程的開展很大程度上受自然環境影響,由于自然災害具有較高的突發性,因此水利水電工程中滲透險情也具有較高的突發性特征。在水利水電工程施工作業中,很容易受自然災害影響而發生突然性的滲透事故,例如受暴風雨影響而導致的韓國電站滲水事故。水利水電工程的開展需要耗費較長的工期,在長時間的施工作業中很難保障每個環節都不出現滲水事故。長時間的施工作業很容易導致施工團隊放松警惕,進而加大了水利水電工程滲水險情的突發性。

      1.1.2破壞性

      由于水利水電工程的開展與百姓生產生活息息相關,因此一旦發生滲水險情,會給周邊百姓帶來巨大的危害。嚴重的水利水電工程滲水險情不僅會影響整個施工的進程,而且會危及周邊百姓的生產生活并破壞周邊的生態環境。再加上水利水電工程滲水險情具有不可預測性,這對周邊環境而言具有巨大的破壞性和難以修復性,一旦在水利水電工程施工中出現滲水事故,會直接波及到周邊生態環境,這對周邊環境的破壞性極強且難以修復。

      1.1.3不確定性

      水利水電工程的施工可能會突然發生滲水險情,因此滲漏問題對于水利水電工程而言具有較高的不確定性。水利水電工程在施工程序較為繁瑣,其包括了多個施工環節,一旦在施工中未能及時排查出不確定因素,很容易造成整個施工的癱瘓。另一方面,繁瑣的施工程序也加大了水利水電工程滲水事故的不確定性,部分施工團隊因施工程序較為復雜而忽視了對各個環節的安全檢查,這也是導致水利水電工程滲水事故具有嚴重不可確定性的因素之一。

      1.2水利水電工程防滲施工概述

      防滲施工對于水利水電工程而言具有重要作用,但由于水利水電工程施工環節較為繁瑣且施工工期較長,因此其防滲施工的難度相較于其他工程施工而言也更大。當前我國水利水電工程在防滲施工中所應用的技術種類較多,這些施工技術和施工材料的選擇需要根據具體的水利水電工程項目和具體的環境情況來決定。由于水利水電工程施工環節較多,因此在使用防滲施工技術時要嚴格控制技術操作,并在每個環節都進行嚴格的技術檢測,這樣才能最大程度降低水利水電工程出現滲水事故的可能性,保障水利水電工程的順利進行。

      2水利水電工程防滲技術施工要點分析

      2.1設計工作

      防滲施工技術在水利水電工程的應用,首先需要根據具體工程流程和施工環境特征來設計恰當的防滲施工技術方案。由于水利水電工程的開展需要涉及較大的范圍,因此在進行防滲施工技術應用時首先要根據具體的施工環境特征進行嚴格的考察,并根據考察的數據結果來選擇恰當的技術方案。防滲施工技術在應用中首先需要確定好防滲高度,這一數據的確定直接影響到整個工程中防滲施工技術的應用效果,這就要求在開展防滲施工技術前要做好設計工作。整個設計工作的開展,不僅要考察施工場地的具體環境,同時要盡可能考慮防滲施工技術的成本支出,在保障水利水電工程提高防滲效果的同時縮減開支。

      2.2要嚴格把關所使用的材料

      防滲施工技術的應用效果很大程度上受所選舉材料質量的影響,因此水利水電工程在應用防滲施工技術時要嚴格把關所使用的材料,確保所用的材料質量達標且符合相關檢測要求。水利水電工程在設計好防滲施工方案之后,要根據所選用的防滲施工技術來采購所需材料,這一過程要注重對所選材料的檢測,確保其符合水利水電工程防滲施工技術的需要。

      嚴格把關所使用的材料不僅需要加強對相關材料的檢測,同時要在材料檢測達標后進行妥善的儲存,確保整個施工過程中所使用的材料都符合標準。土料是水利水電工程防滲施工的重要材料之一,選擇合理的土料進行施工作業對于提高水利水電工程防滲效果具有重要作用。

      2.3高壓噴射防滲技術

      水利水電工程防滲施工中通常運用高壓噴射防滲技術,這一技術的應用可以最大限度減少施工設備的使用,同時可以提高施工的整體效率并降低工程成本。在使用高壓噴射防滲技術時,需要借助高壓的沖擊來破壞地質結構,并將水泥漿注入地質結構中,以此來實現水泥漿和地層融為一體的目的,并達到防滲的效果。水利水電工程在應用高壓噴射防滲技術時需要重視防滲施工的具體部位,并將水泥漿準確噴射到指定部位,這樣可以更好地提升防滲部位結構的緊密程度,進而有助于提高水利水電工程整體結構的防滲效果。

      2.4碾壓混凝土防滲技術

      部分水利水電工程在進行防滲施工時運用的碾壓混凝土防滲技術,這一技術借助其對環境破壞較小且適用范圍較廣的特點而得到了較大范圍的推廣使用。水利水電工程在應用碾壓混凝土防滲技術時首先要選擇合適的膜材料,這一材料的質量直接影響整個技術應用的效果。水利水電工程在施工前要對所選取的保障膜進行質量檢測,確保所使用的保障膜材料在力學性能和透明度等方面都達到相關技術指標,同時要進行滲漏水測試,保證這一保障膜材料在使用中可以發揮出防滲效果。具體的施工中要對保障膜接縫處進行合理的加工處理,仔細檢查接縫處的止水效果,進而更好地提高整體防滲質量。

      3結束語

      我國在發展水利水電工程行業時要不斷提高防滲施工技術的應用,這樣才能更好的保障水利水電工程施工的順利開展并提高整個工程的效率和質量。通過明確水利水電工程防滲施工技術的要點,能夠更好地在不同工程項目中運用恰當的施工技術,借助不斷優化防滲施工技術的應用來提高我國水利水電工程施工整體的效率和質量。

      參考文獻:

      [1]廖增寶.水利水電建筑工程防滲堵漏的施工要點及施工技術初探[J].中國標準化,2017(12):177-178.

      水利工程師投稿刊物:《廣東水利水電》(月刊)創刊于1972年,由廣東省水利水電科學研究院主辦。 本刊是廣東省水利水電系統唯一持有國家統一刊號和國際標準刊號的綜合性水利水電技術刊物,國內外公開發行。

      

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