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frozen earth相关的网络例句

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与 frozen earth 相关的网络例句 [注:此内容来源于网络,仅供参考]

The study show that the frozen earth in this area is mainly silty clay. The content of the dissolvable solt is relative high,which is 12.01%, and the main salinity is NaCL and KCL. The research also revealed that frozen intensity would ascend jumpily when the water contend in the soil reached its optimization( 10.61%) and kept rising,and this phenomena got more obvious with the decrease of the temperature. Between 0C and 10C, the frozen intensity vared very obviously, when the temperature is under -10C, the variety of frozen intensity got gently, and the change is not obvious. The frozen strength was influenced by the solution thickness in the soil hole.when the thickness increased, the frozen intensity decreased.

研究表明:那曲河地区冻土区冻土主要为颗粒较细小的粉质粘土:土样易溶盐含量较高,为12.01%,主要盐分为氯化钠NaCL和氯化钾KCL;该地区冻土土内水分达到最优含水率10.61%并继续增大时,冻结强度有个跳跃式的上升,这种现象随着温度的降低而愈明显;由0℃到-10℃时,冻结强度变化十分明显,温度下降到-10℃以后,冻结强度变化趋于平缓,变化不甚明显;冻结强度受土样孔隙中盐溶液浓度的影响,盐溶液浓度增加,冻结强度减小。

In these years, it has been taking effect in many fields such as in mineral resource, in oilfield, in coalfield, prospecting, frozen earth, ocean geology .etc.

在工业无损检测和建筑行业中的质量检测、城市地下管道的质量检测、地下考古方面也有很大的应用前景。

They tell me that if the fox would remain in the bosom of the frozen earth he would be safe, or if be would run in a straight line away no foxhound could overtake him; but, having left his pursuers far behind, he stops to rest and listen till they come up, and when he runs he circles round to his old haunts, where the hunters await him.

他们指点我说,如果狐狸躲在冰冻的地下,它一定可以安然无恙,或者,如果它逃跑时是一直线的,没有一只猎犬追得上它;可是,一旦把追逐者远远抛在后面,它便停下来休息,并且倾听着,直到它们又追了上来,等它再奔跑的时候,它兜了一个圈子,回到原来的老窝,猎者却正在那里等着它。

Our country firstly put forward such design principle of Qinghai-Tibet railway engineering as "lower temperature actively, reduce the heat into the subsoil, and assure the heat stability of frozen earth for the quality stability of construction", creatively adopt such corresponding measures of frozen earth construction problem as: for the poor frozen earth developing section, line should avoid as possible;for the geology of ice at high temperature and unstable frozen earth zone, the method of bridge instead of subgrade shall be adopted;in subgradeconstruction, such facilities as heat stick, rubble ventilation subgrade , rubble ventilation berm, ventilation pipe subgrade and laying heat preservation board etc shall be adopted to raise the stability of frozen earth subgrade;during the excavation of bridge, culvert , foundation pit and scouring prevention trough, creatively adopt single-tooth knapper and solve the problem of frozen earth excavation;during the construction of bridge and culvert, durable concrete and three-step maintenance method are adopted to assure the outside and inside beauty of structure.

我国在世界上首次提出"主动降温、减少传入地基土的热量、保证多年冻土的热稳定性,从而保证修筑在上面的工程质量的稳定性"的青藏铁路工程设计原则,创造性地采取了解决冻土施工难题的相应对策:对于不良冻土现象发育地段、线路尽量绕避;对于高温极不稳定冻土区的高含冰量地质,采取"以桥代路"的办法;在路基施工中采用了热棒、片石通风路基、片石通风护道、通风管路基、铺设保温板等多项设施,提高冻土路基的稳定性;在桥涵基坑、挡水埝基槽开挖中,创造性地应用了单齿破碎器,解决了冻土开挖难题;在桥涵工程施工中,采用了耐久性混凝土,采用了三步养生法,保证了结构物内实外美。

For sounds in winter nights, and often in winter days, I heard the forlorn but melodious note of a hooting owl indefinitely far;such a sound as the frozen earth would yield if struck with a suitable plectrum, the very lingua vernacula of Walden Wood, and quite familiar to me at last, though I never saw the bird while it was making it.

在冬天夜里,白天也往往是这样,我听到的声音是从很远的地方传来的绝望而旋律优美的枭嗥,这仿佛是用合适的拨子弹拨时,这冰冻的大地发出来的声音,正是瓦尔登森林的1inguavernacula,后来我很熟悉它了,虽然从没有看到过那只枭在歌唱时的样子。

The sleety frozen earth began to soften under thaw and the rain.

薄冰冻结的土地在春融雨淋之下漫漫地软化了。

He was a bad hand at speech but worked stirringly. Under his guidance, the technicians researched and explored the construction technology on the frozen earth and solved a great deal of complicated technical difficulties.

他不善言语,干起工作来却风风火火,带领工程技术人员研究和探索高原冻土施工技术与工艺,解决了高原质量许多复杂的工艺难题,协助主要领导严格把住了桥梁生产的技术关。

Sometimes it took hours to chip away enough frozen earth to get to unfrozen ground.

有时候破开冻土层得花上几小时时间,才能挖到未上冻的土层。

In this thesis, the engineering property of the frozen earth in the frozen railway roadbed in Anduo section (between DK1561+975-DK1562+530) of Naquhe region of Qinghai-Tibet railway was studied indoor. The change of engineering property of the earth samples with different water content , density and temperature were researched. The influence of concentration of the diffluent salt to the frozen strength was pilot studied. The thermal conductivity of the soil was experimented. With the result and data of the tests, the earth temperature field in Anduo section was demonstrated by numerical analysis, the structure parameter of the spall revetmentd and the rubble berm was given, the stability of the railway roadbed was evaluated.

本文以青藏铁路格尔木-拉萨段那曲河地区安多段(DK1561+975~DK1562+530)冻土路基为对象,对该地区冻土的工程性质进行了室内试验研究;对不同含水率、不同压实度的土样,研究在特定温度变化范围内工程性质的变化:初步分析了易溶盐含量对冻结强度的影响:测试了土样的导热系数;在室内土工试验的基础上,根据测试结果和数据,对安多段区域地温场进行了数值模拟,分析了该工点区间内合理片石护道、碎石护坡结构参数,评价了路基稳定性。

The influence of frozen earth layers and radiant damps of ground work is considered and back-analysis is performed.

计算结果表明,在结构抗震设计时,应考虑季节的变化、地基辐射阻尼和场地区域地震动特性等因素的影响。

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