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- This paper presents the principle to be obeyed in design of gantry crane girder for flood discharge section of Three Gorges project,and its alternatives shall be compared. 介绍了三峡水利枢纽泄洪坝段门机大梁设计应遵循的原则和方案的比较选择。
- Because of construction period,the crane girder is often precast into concrete components in the construction of powerhouse,and is put in place by means of installation and splice. 在水电站厂房工程施工中,因工期需要,经常将吊车梁预制成混凝土构件,然后通过安装拼接的方法就位。
- The paper discussed the sectionalization,the method for finding equation and the drawing of the envelope graph of bending moments of the simple crane girder under the action of crane loads. 论述了在吊车荷载作用下的简支吊车梁的弯矩包络图的分段、方程求法,最后通过实例说明包络图的绘制。
- Installation of the giant trunk-shaped crane girder 大型箱形吊车梁安装技术
- horizontal stiffness of crane girder 吊车梁水平刚度
- excavation of rock-bolted crane girder 岩壁梁部位开挖
- RESEARCH ON THE METHOD TO CALCULATE THE WHEEL LOAD IN THE PREDESIGN OF ROCK BOLT CRANE GIRDER 岩壁吊车梁轮压荷载的等效计算研究
- The tentative treatment schemes were put forward to solve the existing problems in prestressed concrete crane girders. 分析了预应力混凝土吊车梁存在的问题,并结合实际情况,对其提出了初步可行的处理方案。
- COMPUTATIONAL SIMULATION AND ANALYSIS ON FRACTURING MECHANISM OF CRANE GIRDER BOLTED TO ROCK WALL OF CHAMBER 岩锚吊车梁破坏机制的计算模拟分析
- crane girders anchored to rock face 岩壁梁
- Stand clear of the swinging boom of the crane. 不要走近转动的超重机吊杆。
- Ring crane girder design of No.4 Blast furnace of Baogang 包钢4号高炉环形吊车梁的设计
- The rock was honeycombed with passages. 岩石上有许多蜂窝状的小孔。
- Reliability evaluation and strengthening for the steel crane girder 某钢吊车梁的可靠性鉴定及加固处理
- Many young rock hounds grow up to be geologists. 许许多多爱好收集岩石的少年，长大后成了地质学家。
- New way of measure the deflection of crane girder with load 测量起重机主梁加载后下挠值的新方法
- The climber had to negotiate a steep rock face. 那攀登者得攀越一陡峭岩石。
- From every window head is crane for a view of it. 每一个窗口都有人探出头来看。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- CHECKOUT AND STRENGTHENING MEASURE OF THE STEEL CRANE GIRDER 钢吊车梁的改造验算及加固处理方法
