The invention discloses a non-excavation-type repairing construction technology of an underground pipeline and belongs to the field of underground pipeline repairing. According to the repairing construction technology of the underground pipeline, the underground pipeline can be repaired without workers entering the underground pipeline. The non-excavation-type repairing construction technology ischaracterized by comprising the following steps that S1, an epoxy resin curing agent is prepared; S2, a reinforced fabric is soaked through the epoxy resin curing agent; S3, the reinforced fabric, soaked by the epoxy resin curing agent, in the step S2 is wound on a pipeline repairing device; S4, the pipeline repairing device wound with the reinforced fabric is sent to the breakage of the underground pipeline, and the reinforced fabric adheres to the breakage of the underground pipeline; and S5, after the reinforced fabric is solidified at the breakage of the underground pipeline, the pipelinerepairing device is recovered.

Non-excavation-type repairing construction technology of underground pipeline

The invention discloses an urban pipe network sludge treatment method and system The method comprises the following steps that an inspection well is cleaned, the upstream is plugged, a traction ropepenetrates, pipeline investigation is carried out, and sludge cleaning is carried out The method also includes the procedures of guide device installation, sludge reduction treatment and dry sludge outward transport The urban pipe network sludge treatment system comprises a winch system, a shuttle type cable penetrating device, a full-visual-angle pipeline checking device, a digging basket and asludge cleaning and dredging vehicle, and can further comprise a sludge drying treatment vehicle Equipment of the system is optimized and combined, the application range is wide, safety and effectiveness are achieved, workers do not need to enter a closed severe environment for work, product requirements of human-computer engineering are met, systematization, unitization and high integration areachieved, the cleaning effect is good, and the requirement for protecting modern urban ecological environments is met

Urban pipe network sludge treatment method and system

The invention relates to the technical field of bridge construction, in particular to a concrete filled steel tube tied-arch bridge arch seat horizontal displacement monitoring and control system. Theconcrete filled steel tube tied-arch bridge arch seat horizontal displacement monitoring and control system comprises a tied-arch bridge, a jack and a control device; the tied-arch bridge comprises abridge body, a tie bar and arch seats; two arch seats are arranged and correspondingly connected with the two ends of the bridge body; foot supports are arranged on one sides, facing away from each other, of the two arch seats; the tie bar slidingly penetrates through the two arch seats; the two ends of the tie bar both penetrate through the arch seats and the foot supports in sequence; anchoragedevices are arranged in the position, positioned between the foot supports and the arch seats, on the tie bar in a sleeving manner; one ends of the anchorage devices are connected with the arch seatsand used for being in sliding connection with the tie bar; the jack is used for clamping and fixing the tie bar; one end of the jack abuts against the foot supports to control the horizontal displacements of the arch seats; and the control device is used for automatically controlling the extension of the jack. The concrete filled steel tube tied-arch bridge arch seat horizontal displacement monitoring and control system has the advantages that the horizontal displacements of the arch seats can be intervened in real time to guarantee the safety of the tied-arch bridge in the construction process.

Concrete filled steel tube tied-arch bridge arch seat horizontal displacement monitoring and control system

The invention discloses a quick replacement construction method of a halfway through arch bridge and a lower through arch bridge suspender, which comprises the following steps of: 1, installing an operation platform to prepare for measuring and monitoring; 2, installing a temporary pocket suspension system; 3, tensiong the temporary pocket suspension system to cut off the old boom; 4, removing that old boom; 5, installing and tensioning that new boom to realize the replacement of the boom; 6, removing the temporary hoisting system and adjust the cable force of the new boom. The construction method can achieve the purpose of quickly replacing the old boom under the condition of less investment of temporary boom, operators and machinery, especially in the early replacement construction of mid-through and through arch bridge boom which is suitable for anchoring the boom on the arch rib or cross beam, and the construction method is more efficient.

Construction method of quick replacement of suspension rods of mid-through and through arch bridges

The invention discloses an urban drainage pipeline capable of conveniently achieving dredging and blocking preventing. A right-angled trapezoidal tank is arranged on the lower inner wall of each drainage pipeline body directly facing an entrance well, the right-angled trapezoidal tanks are arranged in the flowing direction of water from the upstream to the downstream to collect sludge flowing through the right-angled trapezoidal tanks, the top end of the vertical side of each right-angled trapezoidal tank is provided with a hook which is connected with an L-shaped heavy block, the L-shaped heavy blocks are placed at the bottom ends of the inner walls of the drainage pipeline bodies, filtering screens are placed to be close to the L-shaped heavy blocks, and the top ends of the filtering screens are connected with the upper walls of the drainage pipeline bodies through the hooks. The urban drainage pipeline capable of conveniently achieving dredging and blocking preventing has the advantages that the drainage pipeline is easy to implement, the blocking preventing and dredging purposes can be achieved on the basis that the structure of an existing drainage pipeline is not changed, usage and popularization are convenient, the operability is high, and the operating requirements for sanitation workers are low.

Urban drainage pipeline capable of conveniently achieving dredging and blocking preventing

The invention discloses an underground pipeline dredging method. The underground pipeline dredging method is characterized in that sludge in a pipeline is gathered to a designated position through a pipeline dredging device and then removed out of the pipeline through external force. By means of the underground pipeline dredging method, the dredging effect of the pipeline can be effectively improved, the amount of sludge in the pipeline is greatly lowered, the occurrence ratio of sludge in the pipeline is controlled below 5%, smoothness of the pipeline is ensured, and drainage efficiency of an urban drainage system is improved.

Underground pipeline dredging method

The invention provides an arch bridge construction tie rod regulating system. The system comprises a hydraulic system, a displacement sensor and a console; the hydraulic system comprises a hydraulic terminal and a hydraulic pump station, and the hydraulic pump station supplies hydraulic oil for the hydraulic terminal so as to regulate the hydraulic pressure output by the hydraulic terminal; the hydraulic system is used for applying acting force to an arch rib; the displacement sensor is used for measuring the end displacement of the arch rib; the console is connected with the hydraulic pump station and the displacement sensor through a data line; the hydraulic terminal is used for applying acting force to an end of the arch rib, the displacement sensor is used for measuring the displacement of the end of the arch rib and transmitting the result of measurement to the console, and the console is used for controlling the quantity of the hydraulic oil supplied by the hydraulic pump station for the hydraulic terminal according to the data of the displacement sensor.

Arch bridge construction tie rod regulating system

The utility model discloses an intelligent arch bridge suspender changes system, it includes central control system, the hydraulic drive device, central control system control the work of hydraulic drive device, stretch -draw hydro -cylinder device, the hydraulic drive device does stretch -draw hydro -cylinder device provides hydraulic oil, the monitoring subassembly, monitoring subassembly and central control system communication connection, the monitoring subassembly is used for monitoring the performance data of arched bridge, and the transmission is given central control system. The utility model discloses a can realize new and old jib and two secondary internal force's of the system of bearing the weight of stepless continuous conversion temporarily, displacement control is accurate and the curve is slick and sly, accurateization of control that has the automation of overall process data acquisition, data analysis intelligent control, displacement and power to record and output control data file, the utility model discloses a be applicable to the hanger replacement under the current state of bridge floor traffic, hydraulic system is voltage compensation often, as interim attenuator guarantee bridge structures safety, and but multiple devices are parallelly connected, change many jibs in step.

Intelligent arch bridge suspender changes system

The invention discloses a local undamaged jacking replacement method for supports of a plate girder bridge. The method comprises the steps that a jacking area and the preset jacking height of all plate girders in the jacking area are determined; hydraulic jacks are arranged under plate girder hinge joints in the jacking area; the hydraulic jacks are connected with a hydraulic pump station and displacement sensors separately; the hydraulic pump station and the displacement sensors are connected with a control console; the control console controls the hydraulic jacks to conduct asynchronous jacking; after the jacking height of the plate girders in the jacking area reaches the preset jacking height, the hydraulic pump station conducts loop closing and pressure maintaining; supports under the plate girders in the jacking area are replaced. According to the method, little influence on traffic on a bridge is generated, few jacking devices are needed, and disequilibrium of the jacking falling process of the jacks is avoided; meanwhile, the conditions of the plate girder hinge joints are monitored, damage to the plate girder hinge joints can be avoided, and local undamaged plate girder bridge jacking support replacement can be achieved; in addition, operation in the equipment jacking process is intelligentized, installation is quick, the construction efficiency is high, and the cost is reduced by thirty percent or above.

Local undamaged jacking replacement method for supports of plate girder bridge

The invention discloses an intelligent arch bridge hanger rod replacement system, the replacement system includes a central control system; and a hydraulic pressing drive system, the central control system controls the working of the hydraulic pressing drive system; the replacement system also includes a tension oil cylinder device, the hydraulic pressing drive system provides hydraulic pressing oil for the tension oil cylinder device; and a monitoring component, which is connected with the central control system using communications, the monitoring component is used for monitoring the performance data of the arch bridge, and transfers the performance data to the central control system. The replacement system can achieve a nil step continual conversion of the two inner forces of the new and old hanger rods and a temp load bearing system, the displacement variation control is precise and the curved line is smooth, the replacement system has a full process of data acquisition automations, data analysis control intellectualizations and a displacement and force control precisions, and records and outputs the monitoring data files; the replacement system is suitably applied to hanger rod replacements under the state of bridge deck traffic passing through, the hydraulic pressing system constantly stabilizes pressure and compensates, acting as a damper for safeguarding the safety of bridge structure; and can be coupled with multiple units of equipments, and simultaneously replaces multiple pieces of hanger rods.

Intelligent arch bridge hanger rod replacement system

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