本文選題：插樁 + 樁壩��； 參考：《水利水電技術(shù)》2017年11期

【摘要】：為解決重復(fù)組裝式導(dǎo)流樁壩水中施工的難題,研制開發(fā)了水上無損插樁施工平臺。通過進(jìn)行拼裝式施工平臺總體設(shè)計(jì),確定了整體施工平臺以6個大小不等可拆裝單浮體進(jìn)行組裝的方案,設(shè)計(jì)了施工平臺主尺度,確定了底板、甲板、平臺底骨架、甲板骨架等部件的材料要求;連接裝置形式設(shè)計(jì)采用單銷雙耳結(jié)構(gòu),連接裝置材料均采用高強(qiáng)度鋼加工,連接銷強(qiáng)度滿足實(shí)際要求。通過穩(wěn)定性試驗(yàn),驗(yàn)證了施工平臺的安全性與可靠性。水上施工平臺應(yīng)用于歐坦控導(dǎo)工程現(xiàn)場插樁搶險(xiǎn)的案例表明,平臺能方便快捷地進(jìn)行水中組裝及拆分,平臺在大河流量高達(dá)4 000 m3/s條件下進(jìn)行施工是安全可靠的。整個搶險(xiǎn)過程,施工平臺共完成113根管樁的插樁任務(wù)。經(jīng)實(shí)踐檢驗(yàn),該平臺為重復(fù)組裝式導(dǎo)流樁壩等新型應(yīng)急搶險(xiǎn)技術(shù)的成功應(yīng)用提供了技術(shù)保障。
[Abstract]:In order to solve the problem of water construction of repeatedly assembled diversion pile dam, a construction platform for non-destructive pile insertion on water was developed. Through the overall design of the assembled construction platform, the scheme of assembling the whole construction platform with 6 dismountable and single floating bodies of different sizes is determined, the main scale of the construction platform is designed, and the bottom plate, deck and bottom skeleton of the platform are determined. The material requirement of deck skeleton and other parts, the design of connection device is single pin and double ear structure, the material of connection device is made of high strength steel, the strength of connection pin meets the actual requirement. The safety and reliability of the construction platform are verified by the stability test. The application of the water construction platform in OTC pilot project shows that the platform can assemble and split the water conveniently and quickly, and it is safe and reliable to construct the platform under the condition that the discharge of the river is up to 4 000 m3 / s. In the whole emergency process, 113 pipe piles were inserted on the construction platform. It is proved by practice that the platform can provide technical guarantee for the successful application of new emergency rescue technology such as repeated assembly diversion pile dam.
【作者單位】： 開封黃河河務(wù)局;開封祥符黃河水利工程維修養(yǎng)護(hù)有限公司;開封第二黃河河務(wù)局;
【分類號】：TV553

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