摘要：【中文】本发明公开了一种用于评价碎石在不同降温状态强度变化的试验方法，包括制备碎石样品、烘箱加热、降温、抗压强度检测、整理结果、出具报告等步骤，从原理上量化高温碎石在不同的降温状态下强度的变化规律，用以指导热拌沥青混合料的生产实践，解决目前国内针对这一技术领域所存在的空白。 【EN】The invention discloses a test method for evaluating strength change of crushed stone in different cooling states, which comprises the steps of preparing a crushed stone sample, heating in an oven, cooling, detecting compressive strength, sorting results, giving a report and the like, quantifies the change rule of the strength of the high-temperature crushed stone in different cooling states in principle, is used for guiding the production practice of hot-mix asphalt mixtures, and solves the blank existing in the technical field at home at present.

摘要：【中文】本发明公开了一种桥梁顶推施工用变截面承载梁，所述桥梁的梁体为钢槽梁，桥墩的墩顶设有顶推设备；所述变截面承载梁上部承接梁底板，下部承接顶推设备；所述变截面承载梁为钢结构，包括通过连接梁连接的船型梁，所述船型梁两端向外延伸形成挑臂。在顶推施工中，通过设置上述变截面承载梁，可使顶推设备的顶推力均匀地分布在钢槽梁的梁底板上，避免梁底板因局部受力过大而变形或穿透，而且还能降低梁体倾覆的风险。 【EN】The invention discloses a variable cross-section load-bearing beam for bridge incremental launching construction, wherein a beam body of a bridge is a steel channel beam, and the top of a pier is provided with incremental launching equipment; the upper part of the variable cross-section bearing beam is connected with the beam bottom plate, and the lower part of the variable cross-section bearing beam is connected with the pushing equipment; the variable cross-section bearing beam is of a steel structure and comprises a ship-shaped beam connected through a connecting beam, and two ends of the ship-shaped beam extend outwards to form cantilever arms. In the pushing construction, the variable cross-section bearing beam is arranged, so that the pushing force of the pushing equipment can be uniformly distributed on the beam bottom plate of the steel channel beam, the beam bottom plate is prevented from being deformed or penetrated due to overlarge local stress, and the risk of overturning the beam body can be reduced.

摘要：【中文】本发明公开一种桥梁梁体无轨道滑移系统及其施工方法，无轨道滑移系统包括临时支墩，若干个位于临时支墩上用于支撑待滑移桥梁梁体并驱动待滑移桥梁梁体水平任意角度平顺滑移的连续位移装置，以及与连续位移装置连接用于控制连续位移装置运行的中控室。施工方法包括以下步骤：步骤1、滑移施工准备，拼装平台、临时墩和导梁；步骤2、吊装新梁段到拼装平台；步骤3、完成新吊装梁段与已有梁段连接；步骤4、整体向前滑移至设计位置；步骤5、重复步骤2～4至全部梁段安装到位。本发明可有效实现被移动箱梁以任意平面曲线平顺滑移，降低箱梁施工难度及提高施工效率和精度，施工方法简便易操作，实用性强，适于在本技术领域大力推广引用。 【EN】The invention discloses a trackless sliding system of a bridge body and a construction method thereof. The construction method comprises the following steps: step 1, preparing sliding construction, assembling a platform, a temporary pier and a guide beam; step 2, hoisting the new beam section to the assembly platform; step 3, completing the connection of the new hoisting beam section and the existing beam section; step 4, sliding the whole body forwards to a design position; and 5, repeating the steps 2-4 until all the beam sections are installed in place. The method can effectively realize smooth sliding of the moved box girder by any plane curve, reduces the construction difficulty of the box girder and improves the construction efficiency and precision, and the construction method is simple, convenient and easy to operate, strong in practicability and suitable for being widely popularized and introduced in the technical field.

摘要：【中文】本发明公开了一种大跨度钢混组合梁长距离顶推施工系统，所述钢混组合梁架设于墩顶呈U型的桥墩上，墩顶U型两端上设有桥梁支座；所述顶推施工系统包括设于墩顶凹陷区域内的顶推设备，以及设于所述顶推设备与所述钢混组合梁之间的承载梁；所述承载梁呈上大下小结构，上部与梁底板相接，下部支撑于所述顶推设备。本发明中，以永久桥墩作为顶推设备支撑点，即以墩顶U型结构的凹陷区域为步履式千斤顶工作平台，无需设置临时墩，能够解决浅水海域钢材需求量大但大型设备又无法进入的问题。 【EN】The invention discloses a long-distance pushing construction system for a long-span steel-concrete composite beam, wherein the steel-concrete composite beam is erected on a pier with a U-shaped pier top, and bridge supports are arranged at two ends of the U-shaped pier top; the pushing construction system comprises pushing equipment arranged in a pier top sunken area and a bearing beam arranged between the pushing equipment and the reinforced concrete composite beam; the bearing beam is of a structure with a large upper part and a small lower part, the upper part of the bearing beam is connected with the beam bottom plate, and the lower part of the bearing beam is supported by the pushing equipment. In the invention, the permanent pier is taken as a jacking equipment supporting point, namely, the sunken area of the pier top U-shaped structure is taken as a walking jack working platform, and a temporary pier is not needed, so that the problem that large-scale equipment cannot enter due to large steel demand in shallow sea areas can be solved.

摘要：【中文】本发明公开了一种钢壳混凝土组合索塔，其包括由若干节段钢壳上下拼接形成的竖向的组合索塔，每一节段所述钢壳中还浇筑有混凝土，并形成钢混组合结构，以及该钢混组合结构的所有部件都是预先按照尺寸加工好后移运至施工现场进行拼装。本发明具有结构稳定、大大降低施工风向且施工效率高的技术效果，可广泛应用于建筑施工领域。 【EN】The invention discloses a steel shell concrete combined cable tower which comprises a vertical combined cable tower formed by splicing a plurality of sections of steel shells up and down, wherein concrete is poured into each section of steel shell to form a steel-concrete combined structure, and all parts of the steel-concrete combined structure are processed in advance according to the size and then are transported to a construction site for assembly. The invention has the technical effects of stable structure, greatly reduced construction wind direction and high construction efficiency, and can be widely applied to the field of building construction.

摘要：【中文】本发明涉及桥梁施工领域，旨在解决现有边跨合龙段预应力钢绞线施工工艺经济成本高、质量控制难度大的问题，提供一种悬臂浇筑现浇梁边跨合龙段钢绞线施工方法，在进行边跨现浇段施工时，将P锚位置的钢绞线提前穿束埋设，并预留穿过合龙段和悬臂段内的钢绞线；边跨现浇段和悬臂段位置波纹管分别设有外露的预留波纹管；边跨合龙段施工时，将预留的钢绞线穿束到位；同时将合龙段安装的纵向波纹管与现浇段、悬臂段施工时预留波纹管搭接，搭接位置用胶带缠绕密实；波纹管施工完毕后，在合龙段结合面两侧均布置补充压浆管。本发明的有益效果是施工简单便捷，对桥梁结构影响和改动均较小，没有出现损坏桥梁结构的情况。 【EN】The invention relates to the field of bridge construction, aims to solve the problems of high economic cost and high quality control difficulty of the existing construction process of prestressed steel strands of a side-span closure section, and provides a construction method of steel strands of the side-span closure section of a cantilever casting beam, wherein when the side-span closure section is constructed, steel strands at a P anchor position are penetrated and buried in advance, and the steel strands penetrating through the closure section and the cantilever section are reserved; the corrugated pipes at the side span cast-in-place section and the cantilever section are respectively provided with exposed reserved corrugated pipes; when the side span closure section is constructed, the reserved steel strand is threaded in place; meanwhile, the longitudinal corrugated pipe arranged on the closure section is lapped with the reserved corrugated pipe when the cast-in-place section and the cantilever section are constructed, and the lapping position is tightly wound by using an adhesive tape; after the construction of the corrugated pipe is finished, supplementary grouting pipes are uniformly arranged on two sides of the joint surface of the closure section. The invention has the advantages of simple and convenient construction, small influence and change on the bridge structure and no damage to the bridge structure.

摘要：【中文】本发明涉及建筑施工领域，旨在解决现有的钻孔桩施工中钢护筒实用不便、周转慢的问题，提供一种水上深埋式承台钻孔桩施工方法，设置承台顶面标高与原始泥面标高基本持平，在施工平台顶标高下2m处设置预留钢护筒下放口，用于钢护筒的施打下放；钢护筒分两次下放到位：每台钻机配备两根钢护筒；现场在钻孔桩混凝土浇筑完成，混凝土初凝前进行钢护筒拔除作业，将该钢护筒拔出，并转移到下一个桩位进行钢护筒施打；同时钻机移位至另一个已施打的钢护筒处进行该处的钻孔作业，然后浇筑该位置的混凝土。本发明的有益效果是能够方便高效地完成水环境的钻孔桩的施工作业。 【EN】The invention relates to the field of building construction, aims to solve the problems of inconvenient practicality and slow turnover of a steel casing in the existing construction of a bored pile, and provides a construction method of a water deep-buried bearing platform bored pile, wherein the elevation of the top surface of a bearing platform is basically kept equal to the elevation of the original mud surface, and a reserved steel casing lower discharge opening is arranged 2m below the elevation of the top surface of the construction platform and is used for discharging the steel casing; the steel casing is put down in place for two times: each drilling machine is provided with two steel casing barrels; the concrete pouring of the bored pile is completed on site, the steel casing is pulled out before the concrete is initially set, and the steel casing is pulled out and transferred to the next pile position to carry out the steel casing beating; and simultaneously, the drilling machine is shifted to another steel casing which is already drilled for drilling operation, and then concrete at the position is poured. The invention has the beneficial effect that the construction operation of the drilled pile in the water environment can be conveniently and efficiently completed.

摘要：【中文】本发明公开了一种沉井自浮及浮运用封舱板结构及其施工方法，所述沉井由若干筒状的井孔组成，所述井孔内设置有密封装置，其包括，一封舱板，其可拆卸设置在所述井孔的底部，形成所述井孔的底面，通过水压推动该封舱板底面使所述沉井上浮；止水结构，其设置所述封舱板与所述井孔内侧壁之间，用于防止所述井孔外的水渗透至所述井孔内；若干悬挂结构，其均周向间隔设置在井孔内侧壁上节段，用于垂直挂设住所述封舱板。本技术方案具有结构稳定、拆装方便、减少井孔内的进水量以使沉井自浮的技术效果。可广泛应用于沉井施工技术领域。 【EN】The invention discloses a capsule sealing plate structure for self-floating and floating transportation of an open caisson and a construction method thereof, wherein the open caisson consists of a plurality of cylindrical well bores, sealing devices are arranged in the well bores, the capsule sealing plate structure comprises a capsule sealing plate which is detachably arranged at the bottom of the well bores to form the bottom surfaces of the well bores, and the capsule sealing plate bottom surfaces are pushed by water pressure to enable the open caisson to float; the water stopping structure is arranged between the capsule plate and the inner side wall of the well hole and is used for preventing water outside the well hole from penetrating into the well hole; and the suspension structures are circumferentially arranged on the upper section of the inner side wall of the well hole at intervals and are used for vertically suspending the capsule plate. This technical scheme has stable in structure, easy dismounting, reduces the inflow in the well bore so that the open caisson is from floating technical effect. Can be widely applied to the technical field of open caisson construction.

摘要：【中文】本发明公开了一种用于悬浇梁挂篮的预压系统，包括设置在悬浇梁端部的支架、设置在悬浇梁下方且位于支架下方的底篮、设置在支架下方且用于对底篮施加压力的动力装置。本发明的有益效果是：本方案能够通过动力装置向底篮施加推力实现对挂篮进行预压，不需要使用配重块，省去了配重块的制造、运输、安装过程，减少材料的消耗、浪费，有利于降低施工成本、缩短施工周期、提高施工效率，避免配重块堆叠而存在的安全风险，本方案的大部分结构能够重复使用，并且整体重量小于配重块总和而便于移动，能够有效降低施工成本。 【EN】The invention discloses a prepressing system for a suspension casting beam hanging basket, which comprises a support arranged at the end part of a suspension casting beam, a bottom basket arranged below the suspension casting beam and positioned below the support, and a power device arranged below the support and used for applying pressure to the bottom basket. The invention has the beneficial effects that: this scheme can apply thrust to end basket through power device and realize carrying out the pre-compaction to hanging the basket, need not use the balancing weight, saved the manufacturing of balancing weight, the transportation, the installation, reduce the consumption of material, it is extravagant, be favorable to reducing construction cost, shorten construction cycle, improve the efficiency of construction, avoid the balancing weight to pile up and the safe risk that exists, most structure of this scheme can used repeatedly, and whole weight is less than the balancing weight sum and be convenient for remove, can effectively reduce construction cost.

摘要：【中文】本发明公开了一种用于预制构件连接部位密水性检测的试验装置及方法，试验装置包括地基、内侧钢护筒、外侧钢护筒、反压牛腿、进水结构和对充气胶囊止充气的进气结构，所述预制托盘吊装套设在所述内侧钢护筒外，所述反压牛腿将所述预制承台压在所述外侧钢护筒顶部，所述外侧钢护筒、所述内侧钢护筒、所述预制承台和所述预制托盘围成一个密闭的水压模拟注水区，所述进水结构设有水压表并经所述外侧钢护筒连通所述水压模拟注水区。本发明由于水压模拟注水区底部的密闭效果十分可靠，因此能有效检测不同水压条件下充气胶囊和GINA止水带两种止水设计的密水性能。 【EN】The invention discloses a test device and a method for detecting the water tightness of a connecting part of a prefabricated part, wherein the test device comprises a foundation, an inner steel protective cylinder, an outer steel protective cylinder, a back pressure bracket, a water inlet structure and an air inlet structure for stopping inflation of an inflatable capsule, a prefabricated tray is sleeved outside the inner steel protective cylinder in a hoisting mode, the back pressure bracket presses a prefabricated bearing platform on the top of the outer steel protective cylinder, the inner steel protective cylinder, the prefabricated bearing platform and the prefabricated tray form a closed water pressure simulation water injection area in a surrounding mode, and the water inlet structure is provided with a water pressure meter and is communicated with the water pressure simulation water injection area through the outer steel protective cylinder. The invention can effectively detect the water sealing performance of two water sealing designs, namely the inflatable capsule and the GINA water stop band, under different water pressure conditions because the water pressure simulation water injection area has very reliable sealing effect at the bottom.