广西水利水电
廣西水利水電
엄서수이수전
GX WATER RESOURCES & HYDROPOWER ENGINEERING
2014年
4期
57-58,70
,共3页
引水隧洞%浮碴%底板外水压力%抬动试验%宝兴水电站
引水隧洞%浮碴%底闆外水壓力%抬動試驗%寶興水電站
인수수동%부사%저판외수압력%태동시험%보흥수전참
Diversion tunnel%floating ballast%external water pressure on floor slab%lift test%Baoxing Hydropow-er Project
在宝兴水电站引水隧洞底板施工过程中,通过现场浮碴混凝土底板抗外水抬动试验,并参考类似工程经验,对原素混凝土底板施工方案进行了优化,在部分Ⅱ-Ⅲ类围岩洞段采用浮碴混凝土底板,简化了底板清理的施工工序,降低了底板混凝土厚度,增加了混凝土底板及边墙排水孔,对控制投资、加快施工进度起到了积极作用。
在寶興水電站引水隧洞底闆施工過程中,通過現場浮碴混凝土底闆抗外水抬動試驗,併參攷類似工程經驗,對原素混凝土底闆施工方案進行瞭優化,在部分Ⅱ-Ⅲ類圍巖洞段採用浮碴混凝土底闆,簡化瞭底闆清理的施工工序,降低瞭底闆混凝土厚度,增加瞭混凝土底闆及邊牆排水孔,對控製投資、加快施工進度起到瞭積極作用。
재보흥수전참인수수동저판시공과정중,통과현장부사혼응토저판항외수태동시험,병삼고유사공정경험,대원소혼응토저판시공방안진행료우화,재부분Ⅱ-Ⅲ류위암동단채용부사혼응토저판,간화료저판청리적시공공서,강저료저판혼응토후도,증가료혼응토저판급변장배수공,대공제투자、가쾌시공진도기도료적겁작용。
For the diversion tunnel of Baoxing Hydropower Project,field floating ballast concrete floor slab lifting test against external water pressure was conducted during construction. With reference to the testing results and the experience of similar projects,the original plain concrete floor slab construction scheme was optimized and floating ballast concrete floor slab scheme was adopted for the tunnel sections with II~III category surrounding rock ,which had played an active role in cost control and accelerating construction progress due to simplified floor slab cleaning procedures,reduced concrete slab thickness,increased drainage holes on base slab and walls.