| 1. | Any continuous curve can be closely approximated by a series of small parabolic segments . 任一连续曲线可以借一系列很小的抛物线线段较精密地近似表示。 |
| 2. | Raw data grouped to produce a histogram can be described by a continuous curve with the same parameters . 为了编制直方图而进行了分组的原始数据,可以用一条具有同样参数连续曲线来描述。 |
| 3. | Model test of pc continuous curved box girder 预应力混凝土连续曲线箱梁桥模型试验 |
| 4. | Unified model for continuous curved girder bridges 桥的统一计算模式 |
| 5. | Discussion on the approximate calculation method for the space bending angle in continuous curved bridge 预压在处理桥梁沉降中的运用 |
| 6. | According to calculating equations of skew support continuous curved girder bridge that deduced in this paper , compiles a program and gives a case to validate its feasibility and veracity 根据推导得到的斜支承曲线梁桥计算公式,编制程序并举例验证其可行性和准确性。 |
| 7. | This paper analyzes skew support continuous curved t girder bridge and skew support continuous curved box girder bridge that largely applied in practical engineers , adopting statically indeterminate simple - supported curved beam as basic structure 论文以超静定简支曲线梁作为基本体系,对在实际工程中广泛应用的斜支承连续曲线t梁桥和斜支承连续曲线箱梁桥进行分析。 |
| 8. | In the study on fatigue , through the treatment to continuous curve , draw strength with possessing line shape relevant conclusions while being tired , meanwhile , through being tired to resume law of testing , obtain tired any characteristic and tired influence on resuming of intermission that resume , this has certain reference function on movement ' s industry ergonomy of hand 对疲劳的研究中,通过对连续曲线的处理,得出力量与疲劳不具备线形相关的结论,同时,通过疲劳恢复测试法,得出疲劳恢复的一点特性及间歇性疲劳对恢复的影响,这对于手动作业工效学具有一定的参考作用。 |
| 9. | When analyzing skew support continuous curved box girder bridge , curved grid girder analyzing method considering warping effect is applied . matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing . in order to convert original rigidity equations to structural rigidi ty equations that can be solved , bearing nodal displacement matrix can be introduced , then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings , unit rigidity matrix and unit nodal forces can be gained . structural rigidity matrix can be composed according to matrix displacement method , so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved 分析斜支承连续曲线箱梁桥时,采用考虑翘曲作用的曲线格子梁分析方法,应用矩阵位移法对具有约束支承形式的斜支承连续曲线薄壁箱梁桥进行分析,考虑到支座的约束条件并不与梁端弯曲角位移和扭转角位移的方向一致,引入支座节点坐标矩阵,使得梁端的位移未知量与斜支座约束方向一致,来计算单元刚度矩阵和单元节点力,然后按照矩阵位移法组集总刚并建立结构刚度方程,根据结构刚度方程即可求解未知的节点位移及杆端力,推导出任意截面处的内力计算公式。 |
| 10. | As high speed development of the traffic industry , the need for long span pre - stressed concrete continuous curved box - girder bridges in construction of highways , urban overhead crossings and viaducts is bigger and bigger . but the existing computing method ca n ' t satisfy the precision demand hi analysing long span curved box - girder bridges 随着交通运输事业的蓬勃发展,由于高速公路、城市立交桥和高架桥的日益增多,大跨度曲线箱梁桥的应用需求越来越大,而现有的简化计算方法对于大跨度曲线箱梁桥的计算分析尚存在一定的困难。 |