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- effective prestressing force 有效预应力
- Study on Effective Prestressing Forces under Anchorage of Tiedarch Bridge 系杆拱桥系杆锚下有效索力研究
- Calculation of the Distribution of Effective Prestressing Force and the Set-back Amount of a Loop Prestressed Cable 环形预应力束的有效预应力分布及回缩量计算
- TIANJIN ZHENHUA PRESTRESSING FORCE TECHNOLOGY CO., LTD. 天津市振华预应力技术有限公司。
- The dimensions or prestressing force and eccentricity require modification. 尺寸或预加力和偏心需要修改。
- At the same time, with the effect of prestress force、changes of temperature and driving of vehicle, curved beam appears lateral displacement, bearing bears transverse reactions. 同时,弯箱梁在预加力、季节温差以及车辆离心力的作用,梁体又呈现向外侧的横向变形,支座也承受横向推力;
- Main product has: All sorts of norms cement pole, prestressing force is poriferous pattern plate and other cement.. 主要产品有：各种规格水泥电杆，预应力多孔模板及其它水泥...
- It is common plate glass be handled through rework and become glass of a kind of prestressing force. 它是普通平板玻璃经过再加工处理而成一种预应力玻璃。
- The result shows that it is feasible to predict the frequency by effective prestress, but to predict the effective prestress by frequency have to do much more work. 计算结果表明:由预应力预测频率能达到较高的精度,而通过频率预测预应力筋的受力尚存在一定的误差,需进行进一步的研究工作。
- Thus the use of these coefficients makes it easy to account for the variation in the prestressing force along the tendon. 因而，应用这些系数使得易于考虑预加力沿钢筋的变化。
- The main causes are the incorrect prestressing force of bolt,opration pressure,opration temprature and tenon jointing seal. 甲铵预热器在生产中泄漏严重，主要原因是预紧力、操作压力、温度及榫槽密封不正确的结果。
- "Oriental victory prestressing force is mechanical " abbreviate, already gained the favour of global person earth, it is deep in their heart. “东方胜利预应力机械”的缩写，已赢得国内外人土的青睐，深刻在他们的心中。
- In general cases, the formula for calculating the equivalent load of prestressing force in curved girder is rather complicated and inconvenient to use. 在一般情况下，曲梁的预应力等代荷载公式比较复杂[2]，不便于应用。
- Based on the practical project the effect of the symmetrical secant method on the effective prestress of the pretensioned slab and the anchoring result of the prestress beam is determined. 结合实际工程测定对称割线法对先张板有效预应力及预应力筋锚固效果的影响,并与千斤顶放张法及理论计算的结果进行比较分析,验证了这一新工艺的可行性。
- The effects of the prestress force on the modal frequencies and dynamic responses are discussed. 讨论了预应力对梁固有频率和受迫振动响应的影响。
- Why be Pc bridge?In the world, "Pc " the abbreviation that is prestressing force ferroconcrete, pc bridge is translated from abroad and come. 何为pc梁?在国际上,“pc”是预应力钢筋混凝土的简称,pc梁一名从国外翻译而来。
- The vertical tendon had to be prestressed twice to ensure effective prestressing. 竖向预应力应两次张拉以保证有效预应力。
- The invention has beneficial technique effects of simple construction, reliable structure and adjustable prestressing force. 本发明的有益技术效果是：施工简单、结构可靠且预顶力可调。
- In the end of this paper, the relationship of casing under force balance in the process of drawing casing is established, and the prestressing force distribute model is deducted. 在文章的最后部分，建立了提拉过程中套管在井筒中受力平衡的关系式，推导出提拉过程中提拉预应力的分布模型。
- It is found that the effects of prestress force on the lower natural frequencies and the dynamic displacement response of the beam are large. 研究表明预应力对梁的低阶频率和位移响应的影响较大。
