1) prestressed unloaded technique
预应力卸载法
1.
Aiming at the problem that the current CFRP strengthening technique usually can′t make its strength get well exertive,this paper puts forward a new CFRP strengthening——the prestressed unloaded technique.
针对现有的碳纤维补强加固技术往往不能使其强度得到充分发挥的问题,提出碳纤维补强钢筋混凝土梁的新技术——预应力卸载法,介绍了这种技术的设计思路,推导出适用于该技术的理论分析计算公式。
2) prestress unload
预应力卸载
3) prestressed load
预应力荷载
1.
According to the characteristics of prestressing tendons, the prestressed loads consist of three portions--the normal force of tendons, anchored force on tendon ends, and the friction between tendon and structure.
根据这个结论,提出直接内载法计算作用在结构上的预应力内荷载,推导了预应力摩擦应力损失方程,并证明了预应力内荷载的自平衡性,分析了它与等效荷载法的区别和一致性,得出了直接内载法能揭示预应力荷载的分布规律,说明了直接内载法是对目前普遍使用计算预应力内荷载的等效荷载法的修正和补充。
4) load prestress
荷载预应力
1.
Focus on force features of continuous combined beam,this paper presented to reduce concrete tensile stress on support point negative moment section by load prestress method,and designed corresponding construction plan.
针对连续组合梁结构的受力特点 ,提出利用荷载预应力法降低支点负弯矩区混凝土拉应力的设想 ,并通过计算分析 ,设计相应的施工技术方
5) inherent preload stress
预应力法
1.
Using the inherent preload stress to repair the deflection of bridge crane beam has been applied more andmore in recent years.
用预应力法修复桥式起重机主梁下挠，近年来得到了较为普遍的应用。
6) Loading And unloading Complete Stress-Strain
加、卸载全应力-应变
1.
02) Adopting Instantaneous permeating method,Smulatting the coefficient of permeation variety of sandstone Under the coal Floor in the process of mining,Opening Out The regulation Of sandstone in process Of Loading And unloading Complete Stress-Strain between the Permeability and Stress condition.
02型电液伺服岩石力学试验系统,采用瞬态渗透法,模拟煤层开采过程中的底板砂岩渗透系数变化情况,揭示砂岩在加、卸载全应力-应变过程中渗透性与应力状况之间的规律。
补充资料：钢结构卸载
所谓钢结构卸载，准确地说，是钢结构支撑塔架的卸载。在鸟巢的建设过程中，有78根临时搭建的钢柱支撑着鸟巢的钢铁“枝蔓”。卸载就是将这78根支柱产生的78个受力区域，缓慢而又平稳地卸去，让鸟巢由被外力支撑的状态变成完全靠自身结构支撑。因而，支撑塔架的卸载，对整个钢结构本身来说其实是加载。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条