蓄水的
- 与 蓄水的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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This article simply recommends a hydraulic structure for river closure and sluice— rubber dam ,and its application on spillway and riverway to illuminate that rubber dam is a effective and economic hydraulic structure and a efficacious way to abate the state of water shortage.
简要介绍了一种有效的截流蓄水的水工建筑物——橡胶坝,并对其在水库溢洪道上和河道上的应用作了简单的介绍,说明橡胶坝是一种有效、适应性很强的经济坝型,是缓解缺水状态的一种行之有效的办法。
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It is a conclused that under the natural or earthquake only condition,water impounding only condition, the engineering rock mass is stable,under the conditions when the elevation of impounder water reaching 540~600m and at the same time the earthquake intensity being Ⅷ,it is unstable.
认为该工程岩体在天然或有蓄水的情况下是稳定的;在天然与地震共同作用下,它也是稳定的;在有540~600 m蓄水位及地震时,它将有可能发生破坏;在610 m蓄水位及地震烈度为Ⅷ度的情况下,它也是稳定的。
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Is analyzed The result shows that after ponding, the horizontal displacement and vertical displacement of dam increase to some different extent, the incensement is related to the height of dam's ponding.
结果表明,竣工期间在坝体和坝基的中间部位,发生的位移基本为重力方向,沉降比较大,而水平位移比较小;坝蓄水以后,其水平位移和竖直位移都有不同程度的增加,位移增加的大小与坝体蓄水的高度、上下游的水头差有关;同时防渗墙的存在造成和进一步加大了坝蓄水后位移的不均匀的变化。
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In this paper, the 3-D finite element relocating mesh method is used to calculate the temperature field and the thermal creep stress field of spillway dam and mid level outlet dam in certain roller compacted concrete gravity dam, sensitivity analysis have been down with different parameters, such as placing temperature, the location of cooling pipe, cooling temperature, time for water supply, ascended-layer of concrete, intermissive time and different placing time, and the commendatory construction scheme have been put forward in such analysis; according by the test result on the two scheme of concrete aggregate combination (basalt as coarse aggregate and limestone as fine aggregate, basalt as coarse aggregate and basalt as fine aggregate), simulation analysis on temperature field and thermal creep stress field of the commendatory construction scheme have been down, and analysis have also been down on temperature field and thermal stress field of the two different aggregate combination, the result indicates that the spillway dam and mid level outlet dam which adopted these two aggregate combination can both satisfy the require of design crack resistance in concrete, furthermore limestone as fine is better than basalt as fine aggregate; the effect of summer water storage and winter water storage on the temperature field and thermal stress field have been analyzed, comparing with winter water storage, in summer water storage scheme the maximum tensile stress at abnormal concrete in upstream fill is decreased by 0.1~0.3MPa and there are no evidence change of the maximum tensile stress at other parts, which indicate that summer water storage is avail for the crack resistance of upstream fill; according to the simulation calculating result and comparing temperature simulation calculating results and temperature controlling measures of some similarity projects both completed and construction, synthesis appraise have been carried to the design temperature controlling measures of dam, and the temperature controlling measures of this project have been brought forward, all these have great reference value on the design of temperature controlling measures and the optimization of the construction scheme.
本文采用三维有限元浮动网格法仿真计算程序,对某碾压混凝土重力坝的溢流坝段和中孔坝段分别进行了三维有限元温度场和温度徐变应力仿真计算分析,对浇筑温度、冷却水管的布置方式、冷却水温、通水时间、浇筑升程和间歇时间、不同开始浇筑日期等参数进行了敏感性分析,在此基础上提出了推荐的施工方案;根据两种骨料方案(玄武岩粗骨料+灰岩细骨料方案;玄武岩粗骨料+玄武岩细骨料方案)的混凝土性能试验研究成果,对推荐的施工方案进行了温度场和温度徐变应力仿真计算,并对比分析了两种不同骨料情况下的温度场和温度应力,结果表明溢流坝段及中孔坝段采用上述两种骨料均能满足混凝土的抗裂设计要求,且灰岩细骨料优于玄武岩细骨料;计算分析了夏季蓄水和冬季蓄水对坝体温度场和温度应力的影响,夏季蓄水方案与冬季蓄水方案相比,坝体上游变态混凝土区域最大拉应力小0.1~0.3MPa,其他部位最大拉应力无明显变化,夏季蓄水对坝体上游面混凝土的抗裂有利;根据仿真计算成果并通过比较国内一些已建和在建的类似工程的温度仿真计算成果及采取的温控措施,对大坝的设计温控措施进行了综合评价,并提出了该工程的温控措施,对温控设计和优化施工方案具有重要参考价值。
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Of course, unlike the Ogallala, most aquifers are naturally "recharged"—replenished by rain and runoff—but even these are being depleted dramatically, as the rate of withdrawal easily surpasses the recharged amount.
当然,和奥加拉拉蓄水层不同的是,大多数蓄水层可以天然&充水&——由雨水和径流补给,即便如此,由于抽用速率轻而易举就超过了补给速率,这些蓄水层也在急剧衰耗。
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Plant lotus shape, there is the cistern of one store water in the center of; Xie Kuan is banding, green, the brim is smooth without tine; Spicate from the leaf take out in the center of the canister, peduncular and all by green or gules bud piece wrap up, one is formed in top by multichip and gules petal piece the astral form Hua Sui that constitutes generation, floret is born at petal piece in, outside its just are being extended when opening; It is capsule if really, there is graininess seed inside.
植株莲座状,中心有一蓄水的水槽;叶宽带状,绿色,边缘无齿而光滑;穗状花序从叶筒中心抽出,花梗全部被绿色或红色的苞片包裹,在顶端形成一个由多片红色花苞片组合产生的星形花穗,小花生于花苞片之内,开放时才伸出其外;果为蒴果,内有粒状种子。
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Moreover, with the forthcoming sluicing of the reservoir of Three Gorges, such geological hazards in the reservoir area as landslide and rockfall are becoming more and more. Even Chinese government has transferred special funds of four billion yuan for solving this problem.
另一方面,随着三峡库区蓄水的日益临近,库区的地质灾害问题,如滑坡、崩塌日益突出,国家甚至拨出40亿专款来治理库区的地质灾害问题。
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Firstly, the flood control regulation of TGP in Sep is computed based on the analyses on the inflow in Sep and Oct, and the risk and loss on the ahead impounding scheme is calculated and analyzed. Then, the storage level, power production and releasing discharge are achieved by computing on the electricity generation model through reservoir regulation graph. Thirdly, obstruction in channel is analyzed and the problem in the Chongqing reach is more serious in 175-145-155m scheme. The sediment aggrading process and distribution on different schemes is calculated by 1-D reservoir mathematical model. The navigation benefit is computed by navigation model. Based on above calculations, the impounding time is decided by the multi-purpose decision model, and evaluate by analytical hierarchy and balance layout model. A best impounding scheme is achieved to match the requirement of flood control electricity generation and navigation et al.
首先,在对宜昌站9、10月份来水分析的基础上,采用第2章建立的防洪优化调度子模型进行了三峡水库9月份防洪调度,分析了汛末提前不同天蓄水对防洪的影响,计算了汛末不同蓄水方案水库9月份的洪灾风险率和风险损失;接着,根据第2章建立的发电调度子模型进行了三峡水库发电调度计算,得出了不同蓄水方案下水库的坝前水位、发电量及下泄流量过程;然后,分析了175-145-155m方案下三峡水库的碍航问题,指出175-145-155m方案下重庆河段的碍航问题最为严重,通过进行不同蓄水方案下水库一维泥沙冲淤计算,得出了不同蓄水方案下库区淤积过程及分布,并通过航运调度子模型,计算了不同蓄水方案下水库的航运效益;最后,根据以上防洪、发电及航运调度计算的结果,运用第3章水沙多目标决策模型对水库的蓄水时间进行了多目标决策,并采用层次加权均衡规划模型对计算结果进行评价,得到一个能满足水库防洪、发电及航运各方面要求的最佳蓄水方案。
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Base on the field experiments in Huaibei Plain of Anhui Province, this article analyzed the feasibility of water storage in main drainage canal and effect of regulation for surface runoff, soil and groundwater, and put forward technique parameters and mode of the water storage facility.
通过在安徽淮北平原的大田原型试验,分析了利用农田排水大沟进行控制蓄水的可行性及其对地表径流、地下水和土壤水的调控效果,提出了平原区依托大沟控制蓄水的农田水资源调控系统成套技术参数和模式。
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They have forsaken me, the fountain of living water, and have digged to themselves cisterns, broken cisterns, that can hold no water.
因为我的人民犯了双重的罪恶:他们离弃了我这活水的泉源,却给自己掘了蓄水池,不能蓄水的漏水池。
- 推荐网络例句
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As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.
每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。
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Maybe they'll disappear into a pothole.
也许他们将在壶穴里消失
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But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.
但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。