38results about How to "Resume traffic" patented technology

The invention provides a bituminous pavement preventative regeneration and maintenance method, comprising the following steps: firstly washing the pavement using water, heating the pavement using microwave to make the pavement clean and dry; spraying the bitumen regenerant on the dry pavement to make the regenerant sufficiently penetrate; heating the pavement using microwave until the pavement can be remolded; compacting and remolding the heated pavement to make the pavement compact and flat. The method is economical, practical, convenient and feasible without destruction of pavement.

The invention discloses a cement concrete pavement structure of a tunnel. An assembling-type cement concrete lower surface plate, a pre-fabricated coarse skid-resistant surface layer, multiple throughholes which are installed in a whole cement concrete pavement layer, and a hollow box below the through holes are used for forming the structure for a pre-fabricated cement concrete pavement. The pre-fabricated structure is installed at a vehicle canalization wheelmark position. A cement concrete surface plate is provided with the through holes, so that a friction sound between tires and the ground can be effectively reduced. A box structure and a sound absorption material on the inner wall can be used for effectively reducing a noise in the tunnel. The pavement through holes and the box structure, and a horizontal drainage pipe at the bottom of the hollow box can be used for improving the drainage efficiency of the pavement. The cement concrete pavement structure of the tunnel is simplein structure, belongs to the pre-fabricated assembling structure, and is detachable, small in building area, convenient to construct, short in construction period, and suitable for newly constructingand reconstructing the pavement. The assembling-type pavement structure is connected by a bulge and a groove, and a gap at a joint place can be filled with a joint sealing material, such as bitumen, the installation and disassembly is convenient.

The invention discloses a waterproof structure and a waterproof method for a tunnel. The waterproof method for the tunnel comprises the following steps: applying guard posts on two sides of a to-be-excavated tunnel, carrying out slot broaching and excavating to apply a longitudinal cross beam on an existing ground, and pouring a top plate in the longitudinal cross beam; paving a waterproof plate on the top plate, stretching two sides of the waterproof plate below the outer side of the longitudinal cross beam, paving a protecting layer on the waterproof plate, and paving a pavement on the protecting layer to recover surface traffic; carrying out cover and excavation top-down construction, excavating rock soil among the guard posts in the same row to reserve a mounting space, paving a drainage pipe clinging to a surrounding rock, and communicating the drainage pipe to a drainage ditch; applying a breast board among the guard posts in the same row, connecting the upper part of the breastboard to the top plate and connecting the lower part of the breast board to a bottom plate, applying waterproof layers on the surfaces of the guard posts and the breast board, and applying a side wallon the inner sides of the waterproof layer and the top plate. The waterproof structure and the waterproof method for the tunnel can shorten the surface construction period. The waterproof structure is effective in waterproofness by taking measures of the drainage pipe, the waterproof layers and the like in a discontinuous waterproof paving form.

The invention discloses an urgent repair construction method for an anchor mast of a catenary. The urgent repair construction method includes installing an emergency steel column at the position of the broken anchor mast to position the catenary and avoid instability of the catenary due to large span; and using a transition mast adjacent to the broken anchor mast as a temporary anchor mast and adjusting the catenary to meet power transmission and traffic opening conditions. As the broken anchor mast is urgently repaired by existing equipment by the aid of the urgent repair construction method, influences of accidents on railway transport are reduced to the greatest extent.

The invention provides epoxy type elastic concrete and a preparation method thereof. The epoxy type elastic concrete is formed by mixing a component A with a component B and a component C in the mass ratio of the component A to the component B to the component C being 2 to 1 to (2.5-3.5), wherein the component A consists of bisphenol A type epoxy resin, a diluent, a flexibilizer and a coupling agent; the component B consists of a modified polyamine curing agent, and a phenolic aldehyde acidamide curing agent; and the component C consists of rubber granules and rubber powder. The epoxy type elastic concrete can be rapidly mounted, after normal construction, early strengthening can be achieved after two hours, and normal traffic can be restored rapidly; the elastic concrete is made from an epoxy resin type gel coagulation material and good in bonding strength; the elastic concrete contains rubber components, is good in elasticity, and is excellent in properties of abrasion resistance, vibration absorption, noise reduction, sound attenuation and the like; the elastic concrete is watertight, is resistant to frost thawing circulation, and does not form holes. The epoxy type elastic concrete can be widely applied in the fields of perfusion of bridge expansion seams, peripheries of tramcar tracks, railway switches and the like.

The invention discloses a folding-tower-type cable-stayed bridge with an openable deck. The bridge comprises a steel folding tower, a steel main beam, a rotation system, an anchor sliding system, a concrete main pier and a concrete side pier, wherein the rotation system comprises a stay cable, a folding tower back cable, a tower cable rotating hinge, a back cable tensioning system device, a beam pier rotating hinge and a tower pier rotating hinge, the anchor sliding system comprises a movable anchoring structure, a horizontal movable box chamber, a horizontal steel slide way and a tetrafluoroethylene steel slide block, the front surface of the steel folding tower is connected with the steel main beam through the stay cable, and the back surface of the steel folding tower is connected withthe movable anchoring structure through the folding tower back cable bypassing the tower cable rotating hinge. According to the bridge, the special achieving scheme of the navigation clearance limit requirement is met, the subtle mechanical balance is achieved through the reasonable arrangement of the cables and the towers, the rotation of the steel folding tower is directly realized through vertical-direction tensioning of the folding tower back cable tensioning system device and horizontal sliding of the movable anchoring structure, and opening of the steel main beam bridge deck is indirectly realized.

The invention discloses a blasting method of a separated type overpass. The blasting method of the separated type overpass includes the steps that (1) blasting cuts are designed, specifically, the blasting cuts are designed in the arch apex, arch soffits and arch feet of a bridge main arch ring correspondingly, and the blasting cuts are designed in part of stand columns of bridge small arch rings; (2) blasting points are designed, specifically, the multiple blasting points are designed on the bridge main arch ring and the small arch rings; (3) a blasting sequence is set, specifically, the arch apex, the arch feet, the arch soffits and the stand columns of the bridge are blasted in sequence; (4) blasting is performed, specifically, the bridge is blasted in the blasting sequence of the step (3); and (5) site cleaning is performed, specifically, ballast built after bridge blasting is cleaned up, and bridge blasting is completed. By means of the blasting method of the separated type overpass, the weight of a single blasted body can be effectively reduced, and the influence of dismantled bodies on the road surface and an underground pipeline is small; and during construction, a pre-treatment link of blasting construction is omitted, the whole structure of the bridge is not damaged, the traffic safety in the construction process is guaranteed, the whole road closure time is shortened, and the blasting method is safe, reliable and high in efficiency.

The invention relates to an existing roadbed-modified bridge at a route intersection. The existing roadbed-modified bridge comprises a bent cap, pile foundations, a newly-built road surface system and a bridge deck slab. The pile foundations are arranged on slopes on the two sides of an existing roadbed at the route intersection, the bent cap is arranged at the tops of the pile foundations, and the pile foundations and the bent cap form a pile foundation bent cap structure. The bridge deck slab is arranged on the bent cap, the newly-built road surface system in lap joint with an existing road surface system is arranged on the bridge deck slab, a channel with an inclined protection slope is arranged below the bridge deck slab, and a newly-built route penetrates through the channel; and a bent cap groove is dug in a closed expressway, and a T-shaped gap bridge is arranged on the dug bent cap groove. The construction method has the beneficial effects that compared with the traditional technology, the existing roadbed is changed into the bridge at the route intersection, pile and column integrated pile foundation construction is conducted on local excavation of the roadbed slope, secondary connection between piles and manufacturing of pier column steel formworks are avoided, the construction period is shortened, normal traffic is not affected, and the technical advantages are obvious.

The invention discloses a systematic device used for bridge opening waterlogging warning and a treatment method of the systematic device. The systematic device comprises a main control module, a water level detecting module, a blocking door and a drainage device. The water level detecting module comprises a low-water-level detection touch point, a middle-water-level detection touch point and a high-water-level detection touch point. The width of the blocking door is identical with that of a road. The drainage device comprises a water suction pump and a temporary water suction box, and a water discharging outlet is formed in the temporary water suction box and used for discharging storage water in the temporary water suction box. The low-water-level detection touch point, the middle-water-level detection touch point, the high-water-level detection touch point and the water suction pump are connected to the main control module respectively. The road leading to a bridge opening can be closed or opened by means of the blocking door through the detection of the water level, drainage can be conducted by starting the water suction pump according to the water level so that vehicles or pedestrians are prevented from venturesomely passing the water-logged bridge opening, the situations that the vehicles stalls at the waterlogging position of the bridge opening and the pedestrians are trapped in the bridge opening are avoided, and accordingly tragedies are avoided.

The invention provides a shock-absorbing self-resetting tunnel structure for a fault fracture zone, which at least comprises a common section and an expanding excavation section corresponding to the fault fracture zone, the expanding excavation section sequentially comprises a primary lining layer, an elastic shock-absorbing layer and a secondary lining layer from outside to inside, the primary lining layer is in contact with surrounding rock, and the elastic shock-absorbing layer is filled with an elastic shock-absorbing material; the second lining layer is formed by sequentially connecting a plurality of pipe joints, and the pipe joints are connected and fixed through memory alloy springs; a reset frame is arranged at the bottom of the second lining layer; reset elastic arms are transversely arranged between the two side faces of the reset frame and the inner wall of the initial lining layer, and elastic damping rods used for damping and electric push rods used for resetting are arranged in the reset elastic arms. The tunnel structure not only has the function of shock absorption and shock resistance, but also can reset the staggered pipe joints after a strong shock occurs, so that the first-aid repair time is greatly shortened, and the passage in the tunnel is recovered as soon as possible.

The invention discloses a snow removal engineering vehicle. The snow removal engineering vehicle comprises a truck, a lifting hydraulic cylinder, a rotary hydraulic cylinder, a forward pushing hydraulic cylinder, a drum folding hydraulic cylinder, a drum raising hydraulic cylinder, a rotating shaft, a snow melting box, an electric heating bar, a ceramic bar, a shell, hinges, a generator, a water tank, an outer cover, a water tube, a water sprinkling plate, a drum, a drum rack, a signal lamp and a warning board, and is characterized in that an electric heating device is arranged on the front section of the truck and is used for melting snow; the drum is arranged at the rear end of the truck, a heating device is arranged in the drum, and a water absorbing pad which is used for cleaning and evaporating water obtained after snow is melted is arranged on the surface of the drum; the generator and the water tank are arranged on the truck, hot saline water is arranged in the water tank, the water sprinkling plate is connected with the water tank, sprinkled water is at the rear of the drum, and the circumstances that water in the drum is not cleaned thoroughly, and harm of icing of a roadsurface is high are prevented; and snow does not need to be transferred, and is cleaned locally, after cleaning, the road surface is clean and does not have residual snow, icing is avoided, the snow cleaning efficiency is high, a driver can operate the snow independently, and the labor and materials are saved.

The invention belongs to the technical field of traffic management, and particularly relates to an intelligent traffic management system based on big data, which comprises a server and mobile terminals. The server runs on a cloud server, and the mobile terminals can be installed in a mobile phone, a tablet personal computer, a vehicle-mounted navigator and other intelligent devices. When an intersection is in a congestion state, the mobile terminals on vehicles 200-300m away from a current intersection stop line receive a lane-borrowing driving signal and a prompt control signal sent by the server; after receiving the lane-borrowing driving signal, the mobile terminals guide the vehicles to advance, drive into a left-turn lane or a right-turn lane, cross the congestion area, return to thestraight lane and continue to advance; and if the mobile terminals do not receive the lane-borrowing driving signal, the corresponding vehicles are not allowed to run on another lane. According to the invention, when the road intersection is jammed, the traffic can be rapidly dredged, the jam is relieved, the road smoothness is ensured, and meanwhile, the road traffic video is recorded, thereby facilitating responsibility determination when an accident occurs, and increasing the accident handling speed.

The invention provides a precast concrete pavement slab structure for quick repair of a pavement and a construction method of the precast concrete pavement slab structure. A reinforcing mesh is arranged in a concrete slab body of the concrete pavement slab; the side face of the concrete slab body is provided with a protruding rod piece or provided with an open groove. The concrete slab body is provided with a slab bottom grouting hole, a slab bottom grout outlet hole and a hoisting hole, and the bottom of the concrete slab body is provided with a grouting diversion trench. The original concrete pavement is provided with corresponding rod pieces or grooves, grouting is conducted in the grooves to achieve connection between the prefabricated concrete pavement slab and the original concrete pavement, and grouting is conducted to the slab bottom of the prefabricated concrete pavement slab to achieve tight attachment between the prefabricated concrete pavement slab and the base layer, so that connection between the prefabricated concrete pavement slab and the original pavement and connection between the prefabricated concrete pavement slab and the base layer are guaranteed. The problems that in the prior art, a cast-in-place concrete pavement repairing mode and an original concrete pavement are poor in connecting effect and durability are solved. And compared with a cast-in-place concrete mode, the construction time is short, the hardening speed is high, and therefore rapid traffic recovery can be achieved.

The invention discloses a city combination pipeline corridor branch construction method in a limited space environment. The method includes the steps: reasonably dividing a pipeline corridor branch into a horizontal construction unit and a vertical construction unit, and identifying the branch excavation range on the field by the aid of red spray paint and wood piles; constructing a horizontal unit and a vertical unit by a reverse hanging well wall construction method; recovering a road or a landscape at the top of a horizontal structure unit, transporting earthwork of the horizontal unit to the vertical unit through a soil discharging channel reserved in a middle partition to transport the soil to the outside; backfilling the horizontal unit, constructing an upper structure of the vertical unit, taking each 3m as a construction subsection, directly performing waterproof construction on the wall of a vertical well, and implementing a bracing support system in the vertical well. According to the method, city pass can be immediately recovered, landscape requirements can be immediately met, adverse effect of large machinery on environments is avoided, an underground pipeline is conveniently protected, the horizontal construction unit and the vertical construction unit are skillfully integrated and excavated, structure construction is implemented, a construction period is shortened, and construction cost and risks are reduced.

The structural system is composed of a prefabricated part and a concrete wet joint, the prefabricated part is composed of a structural steel assembly and concrete, the structural steel assembly is made of E-shaped structural steel, and the concrete is made of C50 steel fiber concrete; the two side faces, the front face and the bottom face of the prefabricated part are wrapped with concrete wet joints, the width of the front concrete wet joint is larger than or equal to 8 cm, and the thickness of the bottom concrete wet joint is larger than or equal to 4 cm. The quick maintenance structure system and process for the section steel expansion joints solve the problems that a conventional maintenance process is long in operation time, slow in concrete strength increase, high in maintenance cost and the like, have the advantages of being quick in construction, reliable in repair quality, economical, applicable and the like, and are extremely suitable for expressway section steel expansion joint maintenance and emergency repair projects; and rapid traffic recovery is facilitated.

The invention relates to the field of municipal administration, in particular to a municipal facility dismantling auxiliary device. The invention aims to provide a municipal facility dismantling auxiliary device. According to the technical scheme, the municipal facility demolition auxiliary device comprises a supporting frame, a steering wheel, a protective guard, a first screw demolition mechanism, a power mechanism and a second screw demolition mechanism. And a group of steering wheels are arranged at each of four legs below the support frame. According to the road guardrail removing device,the guardrail in the middle of the road is removed through a machine instead of manpower, multiple sets of guardrails on the long road can be rapidly removed, the road transformation progress is greatly accelerated, urban traffic is rapidly recovered, an operator can control and operate the machine indoors, and the road guardrail removing device is suitable for popularization and application. Andthe danger of heatstroke in summer and frostbite in winter when an operator works outdoors for a long time is avoided.

Disclosed is a multistage self-bursting soil flood diversion dam protected through geosynthetic materials. According to the multistage self-bursting soil flood diversion dam protected through the geosynthetic materials, a slope protection (2) is arranged within the upstream scouring protection range of a soil water passing dam (1), and an automatic water level indicator (3) is arranged on an upstream slope of the soil water passing dam (1); a platform (4) is laid at the upstream end of the soil water passing dam (1), and the weir crest of the soil water passing dam (1) is connected with a trapezoidal weir surface geosynthetic material protection surface (6-1); a downstream slope of the soil water passing dam (1) is connected with a trapezoidal discharge chute geosynthetic material protection surface (6-2); a rope-tied non-woven fabric threading fixing foot (8) is arranged at the bottom of a downstream slope foot of the soil water passing dam (1); and a fixing body I (7-1) is arranged at the bottom of the upstream end of the trapezoidal weir surface geosynthetic material protection surface (6-1), and a fixing body II (7-2) is arranged at the bottom of the downstream end of the trapezoidal weir surface geosynthetic material protection surface (6-1). The multistage self-bursting soil flood diversion dam is used for flood diversion of the soil dam.

The invention discloses a novel assembly type rotating energy dissipation bridge pier anti-collision device. A main body structure comprises a rotating layer surrounding the outer side of a bridge pier, a rigid layer, a rotation limiting connecting mechanism and a bottom rail bottom plate. Vertical and transverse pulleys are installed at the bottom and on the side face of the rotating layer correspondingly and matched with the bottom rail bottom plate to rotate around the rigid layer within the limiting range of the limiting rotating connecting device. Low-yield-point steel and high-strength steel are cooperatively used externally to form a thin film effect for deformation energy dissipation, the waste tires and the rigid layer are utilized internally to directly resist impact, and vehicle kinetic energy is fully consumed through rotation of the rotating layer and the rotation limiting mechanism. Effective deformation and rotation energy consumption can be achieved, and the assembly type energy dissipation device is of an assembly type structure and can be rapidly installed and replaced.