福建棉花灘水電站工程
施工組織設(shè)計
中國水利水電閩江工程技術(shù)局目 錄
第1章 概 述...............................................................................................................................1-1
1.1 工程概況...............................................................................................................................1-1
1.2 地形和地質(zhì)...........................................................................................................................1-1
1.3 水文和氣象...........................................................................................................................1-1
1.4 主要工程量...........................................................................................................................1-2
1.5 主要控制性施工進度............................................................................................................1-2
1.6 工程特點...............................................................................................................................1-3
1.7 主要施工方法........................................................................................................................1-3
1.7.1 導流...............................................................................................................................1-4
1.7.2 壩基開挖.......................................................................................................................1-4
1.7.3 大壩混凝土施工方案...................................................................................................1-4
1.7.4 模板...............................................................................................................................1-4
第2章 施工組織機構(gòu).....................................................................................................................2-5
第3章 施工總體布置.....................................................................................................................3-6
3.1 布置條件...............................................................................................................................3-6
3.1.1 工程區(qū)地形...................................................................................................................3-6
3.1.2 交通條件.......................................................................................................................3-6
3.1.3 建設(shè)單位提供的大壩標營地........................................................................................3-6
3.1.4 砂、石料場...................................................................................................................3-1
3.1.5 環(huán)境保護要求...............................................................................................................3-1
3.1.6 供電條件.......................................................................................................................3-2
3.1.7 施工通訊.......................................................................................................................3-2
3.1.8 建設(shè)單位在桂竹橋頭設(shè)有0號柴油加油站。............................................................3-2
3.2 布置特點...............................................................................................................................3-2
3.3 風、水、電及通訊系統(tǒng)布置................................................................................................3-2
3.3.1 供風...............................................................................................................................3-23.3.2 供水...............................................................................................................................3-3
3.3.3 施工用電.......................................................................................................................3-7
3.3.4 施工通訊.......................................................................................................................3-8
3.4 場內(nèi)施工道路布置................................................................................................................3-8
3.4.1 營地施工道路...............................................................................................................3-8
3.4.2 大壩基坑內(nèi)的施工道路...............................................................................................3-8
3.4.3 其他交通道路.............................................................................................................3-10
3.5 營地規(guī)劃.............................................................................................................................3-10
3.5.1 1號營地布置...............................................................................................................3-10
3.6 砂石開采、加工系統(tǒng)及混凝土拌合系統(tǒng)..........................................................................3-12
3.6.1 背頭坑采石場.............................................................................................................3-12
3.6.2 青溪天然砂料場..........................................................................................................3-12
3.6.3 砂石加工及混凝土拌合系統(tǒng)......................................................................................3-12
3.7 碴場規(guī)劃.............................................................................................................................3-12
3.8 其他輔助設(shè)施......................................................................................................................3-13
3.8.1 背頭坑采石場輔助設(shè)施.............................................................................................3-13
3.8.2 青溪砂料場輔助設(shè)施.................................................................................................3-13
3.8.3 火工品庫.....................................................................................................................3-13
3.8.4 供油.............................................................................................................................3-13
3.8.5 現(xiàn)場指揮中心.............................................................................................................3-13
3.8.6 現(xiàn)場停車場及其他.....................................................................................................3-14
第4章 砂石料和拌合系統(tǒng)的設(shè)計與施工...................................................................................4-15
4.1 砂石料系統(tǒng).........................................................................................................................4-15
4.1.1 生產(chǎn)規(guī)模.....................................................................................................................4-15
4.1.2 生產(chǎn)工藝流程.............................................................................................................4-16
4.1.3 工廠的布置.................................................................................................................4-17
4.1.4 骨料的存儲及運輸.....................................................................................................4-18
4.1.5 砂石骨料的質(zhì)量控制.................................................................................................4-194.1.6 砂石料工廠的電氣控制.............................................................................................4-21
4.2 混凝土拌合系統(tǒng)..................................................................................................................4-22
4.2.1 拌合系統(tǒng)生產(chǎn)強度計算.............................................................................................4-22
4.2.2 混凝土拌合系統(tǒng)的布置.............................................................................................4-22
4.2.3 水泥和粉煤灰的貯運.................................................................................................4-23
4.2.4 砂石骨料的貯運.........................................................................................................4-23
4.2.5 混凝土的運輸.............................................................................................................4-23
第5章 施工總進度.......................................................................................................................5-25
5.1 編制依據(jù)和原則..................................................................................................................5-25
5.1.1 編制依據(jù).....................................................................................................................5-25
5.1.2 編制原則.....................................................................................................................5-25
5.2 施工控制性進度..................................................................................................................5-26
5.3 施工程序及工期..................................................................................................................5-28
5.3.1 臨建工程.....................................................................................................................5-28
5.3.2 導流工程.....................................................................................................................5-29
5.3.3 主體工程施工.............................................................................................................5-29
5.4 施工關(guān)鍵線路......................................................................................................................5-31
第6章 施工測量、水文和安全監(jiān)測...........................................................................................6-33
6.1 施工控制測量和放樣..........................................................................................................6-33
6.1.1 測量資料復(fù)測.............................................................................................................6-33
6.1.2 施工測量.....................................................................................................................6-33
6.2 水文預(yù)報方法......................................................................................................................6-35
6.3 安全監(jiān)測.............................................................................................................................6-35
6.3.1 原型觀測項目.............................................................................................................6-35
6.3.2 外部觀測部分.............................................................................................................6-36
6.3.3 內(nèi)部觀測部分.............................................................................................................6-36
6.3.4 施工觀測及記錄.........................................................................................................6-37第7章 施工導流...........................................................................................................................7-38
7.1 水文、氣象、地質(zhì)條件......................................................................................................7-38
7.2 施工導流標準......................................................................................................................7-39
7.2.1 圍堰級別.....................................................................................................................7-39
7.2.2 圍堰設(shè)計標準.............................................................................................................7-40
7.2.3 導流方式.....................................................................................................................7-40
7.3 圍堰設(shè)計.............................................................................................................................7-40
7.3.1 圍堰結(jié)構(gòu)型式的選擇.................................................................................................7-40
7.3.2 圍堰設(shè)計.....................................................................................................................7-40
7.4 圍堰施工.............................................................................................................................7-43
7.4.1 圍堰施工布置.............................................................................................................7-43
7.4.2 截流施工.....................................................................................................................7-44
7.4.3 圍堰閉氣.....................................................................................................................7-44
7.4.4 基坑排水.....................................................................................................................7-45
7.5 上、下游混凝土圍堰施工..................................................................................................7-45
7.5.1 土石方開挖.................................................................................................................7-46
7.5.2 常態(tài)混凝土澆筑.........................................................................................................7-46
7.5.3 碾壓混凝土施工與試驗研究......................................................................................7-46
7.6 導流洞堵頭施工..................................................................................................................7-47