High-strength anti-seismic wide-body gravity dam structure and construction method thereof

A gravity dam and wide-body technology, applied in gravity dams, foundation structure engineering, filling, etc., can solve problems affecting construction efficiency, inconvenient transportation and assembly of new dam bodies, and inconvenient overall construction of new dam body formwork

Pending Publication Date: 2022-08-05
广东万奥建设工程有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Regarding the related technologies mentioned above, the inventor believes that there are the following defects: in actual construction, since the gravity dam is generally built between two mountains, the mountain is steep and the mountain road is long and narrow, it is not convenient f

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  • High-strength anti-seismic wide-body gravity dam structure and construction method thereof
  • High-strength anti-seismic wide-body gravity dam structure and construction method thereof
  • High-strength anti-seismic wide-body gravity dam structure and construction method thereof

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Embodiment Construction

[0033] Attached to the following Figure 1-4 The present invention will be described in further detail.

[0034] The embodiment of the present invention discloses a high-strength earthquake-resistant wide-body gravity dam structure and a construction method thereof, refer to figure 1The high-strength earthquake-resistant wide-body gravity dam structure includes a first guide rail 11 , a second guide rail 21 and a first prefabricated body 3 . The first guide rail 11 and the second guide rail 21 have the same structure, the vertical section is concave, and the inner wall is a circular arc surface. Among them, the first guide rail 11 is pre-buried on the top of the old dam body 1; the second guide rail 21 is pre-buried on the road surface of the mountain road 2, the second guide rail 21 and the first guide rail 11 communicate with each other, and the first guide rail 11 and the second guide rail 21 The included angle is 115°.

[0035] The first prefab 3 is concave and the open...

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Abstract

The invention discloses a high-strength anti-seismic wide-body gravity dam structure and a construction method thereof. The high-strength anti-seismic wide-body gravity dam structure comprises a first guide rail, a second guide rail, a first prefabricated body and a second prefabricated body. The first guide rail extends in the length direction of an old dam body, the second guide rail extends in the length direction of a mountain road, and the ends of the first guide rail and the second guide rail are communicated. Included angles exist between the second guide rails and the first guide rails; a first spherical sliding block and a second spherical sliding block are arranged on the lower end face of the first prefabricated body and arranged at the two ends of the first prefabricated body respectively. When the first prefabricated body is installed, the first spherical sliding block is slidably connected to the first guide rail, the second spherical sliding block is slidably connected to the second guide rail, and in the process that the first prefabricated body moves to the top of the old dam body, the second spherical sliding block slides to the first guide rail from the second guide rail; the second prefabricated body is located on the upstream face of the old dam body, and the inclined upper end of the second prefabricated body is spliced and fixed between the first prefabricated body and the first guide rail. The method has the effect of improving the construction efficiency.

Description

technical field [0001] The invention relates to the field of water conservancy facilities, in particular to a high-strength earthquake-resistant wide-body gravity dam structure and a construction method thereof. Background technique [0002] Gravity dam is a large-volume water-retaining structure built of concrete or masonry. Its basic section is a right-angled triangle, and the whole is composed of several dam sections. Under the action of water pressure and other loads, the gravity dam mainly relies on the anti-slip force generated by the dam body's own weight to meet the stability requirements; at the same time, it relies on the pressure generated by the dam body's own weight to offset the tensile stress caused by the water pressure to meet the strength requirements. [0003] In the related art, under the continuous impact of water flow, the shear strength of the gravity dam body is reduced due to the infiltration of water flow. Height and width for reinforcement purpose...

Claims

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Application Information

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IPC IPC(8): E02B7/10E02D15/02E02D17/18
CPCE02B7/10E02D15/02E02D17/18Y02A10/11
Inventor 郑思松刘远杰陈健伟郑志豪
Owner 广东万奥建设工程有限公司
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