首页/ 题库 / [问答题]试述土的冻胀力产生的原因及产生的条件?的答案

试述土的冻胀力产生的原因及产生的条件?

问答题
2022-02-28 23:21
查看答案

正确答案

含有水份的土体温度降低到冻结温度时,土体冻结体积增大,当土体膨胀受到约束时产生冻胀力,约束越强冻胀力越大。冻胀力作用在基础或结构上,引起结构产生变形发生内力。
地基土的冻胀与当地气候条件有关,还与土的类别和含水量有关。土体冻结体积增大,土体膨胀变形受到约束时,则产生冻胀力,约束越强,冻胀变形越小,冻胀力也就越大。建造在冻胀土上的结构物,相当于对地基的冻胀变形施加约束,使得地基土不能自由膨胀产生冻胀力。


试题解析

相关题目
boost的意思是:help or encourage to increase or improve
eloquent的意思是:fluent or persuasive in speaking or writing

A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.

土的冻胀力有哪些作用方式?对结构物产生什么影响?
试述土的冻胀力产生的原因及产生的条件?
什么是土的冻胀性?产生机理是什么?
女孩,9个月,腹泻1天,呕吐1次,大便每天6次,每次量多,尿量稍减少,精神稍萎靡。体检:前囟及眼眶稍凹陷,心律齐、心音有力,双肺呼吸音清晰,皮肤弹性好,四肢温暖。给予ORS补液,下列有关ORS补液不正确的为()
Mainly east 3 or 4 partly cloudy to overcast occasional rain()slowly south moderate or good.
()any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local quarantine officer must be notified immediately.
Should any case or suspected case of quarantinable disease,or any case of eruptive disease or any death be discovered,the local Quarantine Officer must be()immediately.
Masters are()solely responsible for all damages or accidents of whatever kind resulting from the navigating or handling of their vessels by day or by night.
系统中雷达状态包括Unknown、Operational(or ON)、Failed(or OFF)、Detached。
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire,()the claimant proves that the fire arose from fault or neglect on the part of the carrier,his servants or agents.
Shutdown price(or point,or rule) 停业价格(或停业点、停业原则)
翻译:With Average or With Particular Average(WA or WPA)()
什么是土的冻胀性?产生机理是什么?
试述土的冻胀力产生的原因及产生的条件?
试述水工建筑物常见冻胀破坏现象及原因。
试述土的冻胀力产生的原因及产生的条件? 
土的冻胀力有哪些作用方式?对结构物产生什么影响?
广告位招租WX:84302438

免费的网站请分享给朋友吧