| 370m高塔基础静态爆破掏挖工艺的应用 |
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| 引用本文： | 施钧良,段福平,吴尧成,蔡杰宇,黄超胜. 370m高塔基础静态爆破掏挖工艺的应用[J]. 浙江电力, 2013, 0(10): 77-80 |
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| 作者姓名： | 施钧良 段福平 吴尧成 蔡杰宇 黄超胜 |
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| 作者单位： | 浙江省送变电工程公司,杭州310016 |
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| 基金项目： | 国家工程项目（浙发改能源[2007]564号） |
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| 摘 要： | 舟山与大陆联网工程螺头水道大跨越2基370m高塔均位于海岛，基础坑底四侧采用掏挖嵌固形式，基础具有基坑深度大、掏挖净深大、开挖方量大等特点。为避免坑底掏挖对上部坑壁岩体产生破坏造成塌方，确保基坑成型质量及施工过程中的人身安全，结合基坑地质条件及成形特点，采用静态爆破掏挖施工工艺对这2基370m高塔基础坑底进行施工。
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| 关 键 词： | 输电线路 370 m高塔 基坑掏挖 静态爆破 施工工艺 |
Application of Static Blasting Technology for Excavation of the Foundations of the 370-meter Tower |
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| SHI Jun liang,DUAN Fu ping,WU Yao cheng,CAI Jie yu,HUANG Chao sheng. Application of Static Blasting Technology for Excavation of the Foundations of the 370-meter Tower[J]. Zhejiang Electric Power, 2013, 0(10): 77-80 |
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| Authors: | SHI Jun liang DUAN Fu ping WU Yao cheng CAI Jie yu HUANG Chao sheng |
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| Affiliation: | (Zhejiang Electric Transmission ＆ Transformation Engineering Corp., Hangzhou 310016, China) |
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| Abstract: | The two 370-meter tower foundations of Luotou watercourse large crossing of Zhoushan-Mainland transmission project are located in sea islands. The four sides of foundation pits are excavated and embedded, and the foundations are characterized by deep foundation pit, large depth of excavation and large earthwork. In order to prevent landslide due to damage on rock of upper pit wall by excavation at the pit bottom and ensure forming quality of foundation pit and body safety during construction, the static blasting technology for exca- vation is adopted in construction of foundation pit bottom of two 370-meter towers by combining geological condition and forming character of foundation pit. |
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| Keywords: | transmission line 370-meter high tower foundation pit excavation static blasting constructiontechnology |
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