Concrete-enrockment mixed dam and construction method thereof
A technology of concrete and mixed dams, which is applied in the direction of dams, barrages, gravity dams, etc., can solve the problems of strong dependence on terrain and geological conditions, poor seismic capacity, etc., and achieve reduced dam volume, good integrity, and adaptability to dams The effect of improving the deformation ability
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Embodiment 1
[0027] Embodiment one graded filling concrete-rockfill hybrid dam
[0028] Such as figure 1 , 2 As shown in , 3, a new type of concrete-rockfill hybrid dam is composed of concrete dam body 1, rockfill body dam body 2, comb-shaped tooth connecting section 3, upstream rockfill ballast 4, downstream rockfill ballast 5, pad The layer 6 and the transition layer 8 are composed, and the corridor 7 is set at the bottom of the concrete dam body 1 at the same time. The upstream dam body of the mixed dam adopts the concrete dam body 1, and the downstream dam body adopts the rockfill body 2. The comb-shaped tooth connecting section 3 is a group of triangular concrete slab walls arranged in a comb-like shape, which is integrally poured with the concrete dam body 1, extends from the concrete dam body 1 to the rockfill dam body 2 and penetrates into the rockfill dam body 2 middle.
[0029] When the dam height is high, the construction needs to be carried out according to the graded filli...
Embodiment 2
[0030] Embodiment 2 integrally filled concrete-rockfill hybrid dam
[0031] The structure of the mixing dam is the same as in Embodiment 1.
[0032] When the dam height is not very high, the overall filling method can be adopted. When the overall filling is completed, the concrete dam body 1 and the comb-shaped tooth connecting section 3 are constructed first, and the two are continuously poured to the dam crest, and the two are integrally poured; after the construction of the concrete dam body 1 and the comb-shaped tooth connecting section 3 is completed, start The cushion layer 6 and the transition layer 8 are constructed, and the rockfill dam body 2 is filled at the same time. The two are carried out simultaneously, and the rockfill material must be fully rolled and compacted; Actual conditions during construction, the upstream rockfill ballast 4 and the downstream rockfill ballast 5 can also be carried out simultaneously when the dam body is filled.
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