实践表明,浇筑式沥青混凝土适用于寒冷地区土石坝的防渗心墙。
The practice indicates that the asphalt concrete ADAPTS to the core wall of earth-rock dam in the cold region.
拦河主坝坝壳以当地材料砂砾石为主,防渗心墙比较了粘土心墙、沥青混凝土心墙和斜墙型式。
The material of the main dam shuck is mainly the local sandy gravel. The clay core and the asphalt concrete core were compared in the choosing of seepage prevention type.
黄壁庄水库副坝防渗心墙加固工程所需高性能混凝土,要求和易性好、早期强度低、后期强度高、抗渗性能好、低弹模和高抗拉强度。
The high performance concrete for core wall of earth dam must be good workability, low early strength, high final strength, high seepage resistance, low elasticity modulus and high tensile strength.
其中防渗体在上游的称为斜墙坝(面板坝),在坝体中央的称为心墙坝。
Sometimes, the anti-seepage parts are in the dam front facing the upstream, sometimes, they are at the core of the dam.
通过室内试验研究了小浪底水库坝基防渗墙与心墙连接段的接触渗流控制性能。
The paper studies the control function of contact leakage in the connected section between cut-off wall and core of the dam foundation of the Xiaolangdi Reservoir through indoor tests.
大坝主体由堆石坝或砾石组成,起支撑作用,中间设置沥青混凝土心墙起防渗作用。
The principle part of the dam which plays a supporting role is made of moraines and gravel and its middle position setting asphalt concrete core-wall plays an anti-seepage role.
为深入了解认识风化料和碎石土作为心墙防渗料的可靠性,开展了现场碾压试验研究。结果表明:页岩风化料作为心墙防渗料是可行的,特别是全、强上混合料,更具有可靠的防渗性能;
For deeply recognizing the reliability of the weathered rock and crushed rock soil used as seepage proof material for the core wall, the field compaction test was conducted.
防渗墙出现裂缝开度小于0。 3cm时,对渗流场的影响不大,防渗墙下游心墙底部最大相对水头值仅为2。 02%;
The effect on seepage is small when the opening of cutoff wall crack is less than0.3cm themaximum relative water head at the bottom of lower core wall is only2.02%.
防渗墙出现裂缝开度小于0。 3cm时,对渗流场的影响不大,防渗墙下游心墙底部最大相对水头值仅为2。 02%;
The effect on seepage is small when the opening of cutoff wall crack is less than0.3cm themaximum relative water head at the bottom of lower core wall is only2.02%.
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