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在 C、A、别列捷斯基和 A、C、彼卡列夫的文章中[注1],提出了可节省混凝土20%的重力坝的新型结构。这种结构的主导思想是允许坝体上游面出现裂缝,裂缝中的渗透水由防渗斜墙及斜墙后的有效排水设施来解决。这时,坝体的力学特性仍然保留了传统断面的规定,其上游面的压应力必须满足规范规定的要求。显然,为了将所提出的坝体结构付诸现实,就要求多方面的实验和计算验证。这项工作已由水工设计院科学研究委员会,莫斯科建筑工程学院和全苏水工研究院完成了。结合第十个五年计划的大型工程——库尔泊沙依水利枢纽的大坝设计,共研究了22个模型和四种坝体断面。这些研究提供了轻型砼重力坝在各种工作条件下承载能力。此外,全苏水工研究院和水工设计院还用各种方法进行了理论计算,并解出了在静荷载和地震力作用下,各种可能条件下轻型砼重力坝的工作状态。研究工作证实了在各种情况下建造这种迎水面允许出现裂缝,而且有可靠结构措施解决肪渗问题的轻型坝实际的合理性。下面刊登该种轻型重力坝模型试验和理论研究的第一批文章,另一些文章将陆续在本刊上发表。编者认为,在第十个五年计划内,必须加快研究坝工建设中的经济结构的问题。
In C, A, Berezjski and A, C, Pikarev’s article [1], a new structure was proposed that could save 20% of the gravity dam of concrete. The dominant idea of this structure is to allow cracks in the upstream face of the dam, and the seepage water in the cracks is solved by the effective drainage facilities behind the sloping walls and sloping walls. At this time, the mechanical characteristics of the dam still retain the provisions of the traditional section, the upstream surface of the compressive stress must meet the requirements of the norms. Obviously, in order to put the proposed dam structure into reality, many experiments and calculations are required. This work has been completed by the Hydraulics Design Institute Scientific Research Council, the Moscow Institute of Architectural Engineering and Quan Su Hydraulic Research Institute. Combined with the tenth five-year plan of the large-scale project - the dam of the Kurbasha Water Control Project, a total of 22 models and four dam sections were studied. These studies provide lightweight concrete gravity dam carrying capacity under a variety of operating conditions. In addition, Quanzhou Institute of Hydraulic Engineering and Hydraulic Design Institute also carried out a variety of theoretical calculations and solved the static load and seismic forces, under various possible conditions light concrete gravity dam working conditions. Research confirmed the practical rationale for the construction of such light-weight dams which, in all cases, permitting cracks to appear and which have reliable structural measures to deal with the problem of permeability. The first articles in this light gravity dam model test and theoretical study are published below, while others will be published one after another. The editors believe that in the 10th Five-Year Plan, we must speed up the study of the economic structure in dam construction.