| 1. | Calculation of the cross sectional bearing capacity of eccentrically compressed rc members with reinforcements along the height of the cross section 沿截面高度配筋的混凝土偏压构件正截面承载力计算 |
| 2. | 3 . a waff1e slab was rep1aced by a f1at slab which had the same height and the same geometrical parameters of the waff1e s1ab 本文将双向密肋楼盖换算成平板,二者具有相同的截面高度、惯性矩、重心位置等几何特征。 |
| 3. | To solve this problem , in this paper , the internal force in the constraint conditions are modified when the height of section changes 为解决这一问题,本文将约束条件中的弯矩和剪力设计值随桩截面高度的变化加以修正。 |
| 4. | In the course of optimization design of anti - slide pile " s structure , when the height of section changes , the internal force of anti - slide pile will change 抗滑桩结构优化设计过程中,桩截面高度的变化势必使桩身内力发生变化。 |
| 5. | Short - limbed wall ( slw ) is defined as the shear wall with a ratio of section depth to width ( rdw ) being 5 - 8 . usually , the section width is 200 - 250 mm , and the depth is between 1 000 and 2 500 mm 短肢剪力墙是指墙肢截面高度与厚度之比为5 8的抗震墙,通常墙厚不小于200mm ,肢长在1000 2500mm之间,它介乎于异形框架柱和一般剪力墙之间。 |
| 6. | The load transverse distribution coefficient of test is in coincidence with the calculating hypothesis . prestress is linear distribution along the section height . the deformation of the section is according with the plane hypothesis 通过对试验结果与有限元计算结果的对比分析,得出结论如下: 1 、本文所测试的荷载横向分布系数符合计算假定;预应力沿截面高度分布具有较好的线性关系,截面变形符合平面假设。 |
| 7. | Taking advantage of hear forces current theory ? this paper deduces the formula of bending shear stresses , in which the influences of axial force , bending moment , variable section depth and the variable thickness of top slab , bottom slab and webs are taken into account 本文利用“剪力流理论”推导出了弯曲剪应力的公式,该公式不仅计及了轴力和弯矩对弯曲剪应力的影响,还计及了截面高度、顶板、底板及腹板厚度变化对弯曲剪应力的影响。 |
| 8. | On the condition that the width of section is invariable , the height of section is confirmed by structural optimization method . this will change traditional method to optimize the height of section so that design is simplified and cost is lower . this paper presents one optimization design method 在给定抗滑桩截面宽度的条件下,运用结构优化的方法来确定抗滑桩截面高度,改变传统的确定桩截面尺寸这一迭代计算法,使抗滑桩截面高度取最优值,达到简化设计和降低工程造价之目的。 |
| 9. | The height of the room is increased . the height of the beam is decreased so that the net height of the room is increased , or the storey height and the total height of the building can be reduced . because of highly improved strength and stiffness , profiled bat - concrete structure can be applied to wide - span structure , heavily load structure and high rise building 梁截面高度减小,房间的净空增加,房屋的层高与总高也有所降低。由于型钢混凝土结构强度、刚度的明显提高,可以应用于大跨、重荷、高层及超高层建筑中。由于组合结构的一系列优点,所以其得到广泛应用。 |
| 10. | The objective function is the cost of anti - slide pile " s per meter ; the constraint conditions are the strength of anti - slide pile " s normal section and inclined section , the ratio of reinforcing design and the size of section in the design code ; the design variables are the height of section , the area of reinforcement and the amount of hoop . and the optimization model is solved by 0 . 618 method 本文提出的优化设计方法,以桩单位长度的总造价为目标函数,以规范对单筋梁的正、斜截面强度,配筋率及截面尺寸等要求为约束条件,以桩截面高度,抗弯纵筋面积,抗剪箍筋数量等为设计变量,来建立优化模型,并用0 . 618法进行求解。 |