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发明专利:2实用新型: 1外观设计: 7
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申请号:201911090361.9 公开号:CN110904812A 主分类号:E01D11/04
摘要:【中文】一种减小活载作用下斜拉桥辅助墩处组合梁负弯矩的方法,涉及组合梁斜拉桥施工技术领域,包含以下步骤:S1:将弹性支座放置于支座垫石上,在辅助墩上方安装临时墩,吊装组合梁,使得组合梁高程为H0+L1;其中,H0为成桥设计高程;L1为组合梁拱起高程;S2:将弹性支座上方通过螺栓固定于组合梁,下方通过地脚螺栓固定于支座垫石;S3:进行弹性支座与支座垫石之间缝隙的灌浆,形成灌浆层;S4:拆除临时墩,弹性支座在组合梁的作用下,压缩变形L1;本发明使得组合梁在辅助墩支座体系中,组合梁在活载作用下,弹性支座发生向下的竖向位移,解决了活载作用下组合梁产生负弯矩的问题。 【EN】A method for reducing the hogging moment of a composite beam at an auxiliary pier of a cable-stayed bridge under the action of live load relates to the technical field of composite beam cable-stayed bridge construction and comprises the following steps: s1: placing the elastic support on a support cushion stone, installing a temporary pier above the auxiliary pier, and hoisting the combined beam to enable the height of the combined beam to be H0+L1(ii) a Wherein H0Designing an elevation for the bridge formation; l is1Arching the elevation for the composite beam; s2: fixing the upper part of the elastic support to the combined beam through bolts, and fixing the lower part of the elastic support to the support cushion through foundation bolts; s3: grouting a gap between the elastic support and the support pad stone to form a grouting layer; s4: removing the temporary pier, and compressing and deforming the elastic support L under the action of the combined beam1(ii) a The invention enables the elastic support to generate downward vertical displacement when the combined beam is in the auxiliary pier support system and under the action of live load, thereby solving the problem that the combined beam generates negative bending moment under the action of live loadTo a problem of (a).
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申请号:202010074976.9 公开号:CN111172893A 主分类号:E01D21/08
摘要:【中文】本发明涉及桥梁施工领域,本发明提供一种转体桥驱动系统,包括:下承台,其上设有下球铰;还包括上球铰,其设于所述下球铰上;还包括转盘,其设于所述上球铰上,所述转盘的下方设有一圈传动齿;还包括设定个数的传动装置,每个所述传动装置均设有与所述传动齿啮合的传动齿轮,所述传动装置用于通过所述传动齿轮和传动齿驱动所述转盘转动。能够解决现有技术中转体桥转动角度不好控制的问题。 【EN】The invention relates to the field of bridge construction, and provides a swivel bridge driving system, which comprises: the lower bearing platform is provided with a lower spherical hinge; the upper spherical hinge is arranged on the lower spherical hinge; the rotary table is arranged on the upper spherical hinge, and a circle of transmission teeth is arranged below the rotary table; the rotary table is characterized by further comprising a set number of transmission devices, each transmission device is provided with a transmission gear meshed with the transmission teeth, and the transmission devices are used for driving the rotary table to rotate through the transmission gears and the transmission teeth. The problem of among the prior art the bridge turned angle of rotation not control well can be solved.
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