162results about How to "Does not affect normal traffic" patented technology

The invention relates to an automobile charging pile. The automobile charging pile comprises a pre-buried barrel buried underground. A charging pile body is arranged inside the pre-buried barrel. The charging pile body is provided with a plug for charging. A binding post is arranged at the bottom of the pre-buried barrel. The binding post is connected with the charging pile body through a spiral cable. The charging pile body is arranged on a lifting mechanism. The lifting mechanism drives the charging pile body to move up and down. A cover plate is arranged at the opening of the pre-buried barrel and connected with a horizontal moving mechanism. The horizontal moving mechanism drives the cover plate to horizontally move so as to get close to or away from the opening of the pre-buried barrel. When an automobile needs to be charged, the lifting mechanism is started, and the charging pile body is lifted from the pre-buried barrel. When charging is not needed, the charging pile body descends to the bottommost end of the pre-buried barrel through the lifting mechanism, and the horizontal moving mechanism drives the cover plate to cover the pre-buried barrel, so that normal passing of people and vehicles on roads or other places is not affected.

The invention discloses a method for controlling subsidence of an operating subway tunnel. The method comprises the following steps of: excavating vertical working wells at two sides of the operating subway tunnel to the bottom elevation of the tunnel; then, performing bored cast-in-place pile or prestressed pipe pile construction in the working wells at both sides; subsequently, building a transverse reinforced concrete head piece at the bottom elevation of the tunnel, wherein the head piece and bored cast-in-place piles or prestressed pipe piles at both sides form portal support structures of the operating subway tunnel together; and finally, backfilling the working wells. By arranging the portal support structures in weak soil layer section areas along the longitudinal direction of the operating subway tunnel at intervals of 100m-500m, the problem that the weak soil layer subsidence is caused to the operating subway tunnel due to train load is integrally controlled. The method for controlling the subsidence of the operating subway tunnel has the advantages that the normal traffic in the tunnel is not influenced during the construction period; the excavated volume is small; the protect amount is small; the construction cost is low; influences on surrounding buildings, the operating subway tunnel and the environment are small; and the problem that the long-term subsidence caused to the weak soil layer section area due to the train load can be solved at a time to eliminate future troubles forever, therefore, the cost of long-term maintenance is reduced, and the operating safety is ensured.

The invention discloses a method for processing vehicle bump at a bridge head of an existing highway, and the method comprises the following steps: mixing lightweight materials at a construction site; drilling holes from embankment slopes on both sides of the highway, and automatically discharging soil outward from a threaded opening while rotatably drilling holes; after a designed depth reaches, rotatably and slowly pulling out a drill rod, and starting a booster pump so as to pump the lightweight materials into the obtained drill holes by virtue of a central tube of the drill rod; and jetting the lightweight materials from the central hole of the drill rod so as to gradually fill the hole from bottom to top, thereby replacing the filled soil of an embankment. The drill holes are arranged squarely or quincuncially on the side slope of the embankment, a certain included angle is formed between each drill hole and a horizontal plane, and the elevation of the opening of each hole is positioned below a pavement structure layer and above the underside of the filled soil of the embankment. By using the method disclosed by the invention, the weight of the embankment is greatly reduced, thereby reducing the settlement after construction caused by embankment loads and then effectively solving the problem of vehicle bump at bridge heads. During the construction period, the highway is not required to be closed, therefore, the normal traffic of the highway is not affected. The method disclosed by the invention is simple in construction process, convenient to operate, simple in equipment, economical, and high in efficiency.

The invention discloses a method for controlling settlement by horizontally drilling at embankment and injecting a light weight replacing material under the normal traffic circumstance, which is characterized in that: the slope embankment on one side or two sides of roadbed is drilled transversely by a drilling or chiseling pore-forming technique, holes lean a certain angle downwards so as to inject the light weight material; and the light weight material is injected into the holes, and then is solidified in the holes to form the light weight replacing material. A sleeve is also placed into the holes firstly, and then the light weight material or a non-backfill material is injected into the sleeve, so that pore-forming quality is ensured and the diffusion of the light weight material is avoided. The road does not need to be sealed, a pavement structure layer and an upper accessory structure cannot be damaged, and the normal traffic cannot be influenced.

The invention provides temporary cross bracings of a space cable suspension bridge and a lifting-constructing method of the temporary cross bracing. The lifting-constructing method comprises the following steps: firstly, mounting a main cable; secondly, mounting trusses at positions of mid-span, one-fourth span, and three-fourths span to form a developed bridge space cable surface for supporting cables; thirdly, mounting cable clamps and suspension cables; finally, lifting and mounting a steel box girder. According to the method of the invention, the constructing method is adopted, that is, the main cable is erected firstly, and then a stiffening girder is lifted and mounted, so that the navigation requirement during a constructing period can be ensured and the disadvantage of erecting a temporary support can be overcome; through arranging truss cross bracings, the main cable is transited from a cable horizontal alignment shape to a developed bridge space cable shape; the cable clamps does not need to be pre-deflected in a horizontal bridge direction; all that is needed is to mount the cable clamps according to the inclined angle formed by that the suspension cables are perpendicular to a down bridge direction under the condition of the developed bridge so as to ensure that the parts between the ear plates of the cable clamps and the ear plates of the suspension cables do not bend during the lifting and mounting process of the steel box girder.

The invention relates to a two-link channel gate. The two-link channel gate comprises a box body, a gate rod mechanism, a gate rod transversal rotating mechanism, a gate rod longitudinal rotating mechanism and a signal detection and control device, wherein the gate rod mechanism comprises a first gate rod, a second gate rod, a first gate rod seat and a second gate rod seat; the first gate rod and the second gate rod can intermittently rotate at 90 degrees or 180 degrees and are mutually perpendicular; the gate rod transversal rotating mechanism drives the first gate rod and the second gate rod to rotate at 90 degrees along the horizontal plane every time to open or close the gate; the gate rod longitudinal rotating mechanism drives the first gate rod or the second gate rod to horizontally rotate at 90 degrees and then rotate at 180 degrees along the vertical plane every time so that the first gate rod and the second gate rod which rotate to be parallel to the outer side of the box body are reset; and the signal detection and control device is respectively connected with and controls the gate rod transversal rotating mechanism and the gate rod longitudinal rotating mechanism. The channel gate also comprises a barrier-free passing mechanism which is used when power is off and comprises an electromagnetic clutch, a clutch plate and a torsion spring. The invention has the three-dimensional composite motion of the horizontal plane and the vertical plane and smooth opening and closing action, is convenient for tourists carrying luggage to pass by and can be automatically changed into a barrier-free passage in an emergency state.

The invention discloses an optical observation device of deformation in a surrounding rock, which comprises a steel wire, a displacement rotating disc, a reflecting membrane, a total station, a computer, a rotating shaft and a heavy hammer, wherein an anchoring head of a measuring point is fixedly connected with the rock wall in a measuring drilled hole of the surrounding rock, the rotating shaft is mounted on an orifice support, the displacement rotating disc and the reflecting membrane are coaxially mounted on the orifice support, the displacement rotating disc covers the reflecting membrane, the steel wire is wound on the rotating shaft, the steel wire is connected with the heavy hammer, the reflecting membrane is fixedly connected with the orifice support, the total station is connected with the computer, analysis software is installed in the computer, and the reflecting membrane can reflect collimation laser emitted by the total station. Windows are uniformly and symmetrically distributed on the displacement rotating disc by taking the shaft line of the rotating shaft as the center of a circle. The device can observe the relative displacement of the measuring point in the surrounding rock in a far-distance, convenient and direct manner, and be conductive to fast measurement of the deformation of the underground engineering surrounding rock and the real-time analytical study of stability.

The present invention discloses a roadside parking charging and evidence collecting system and a realization method. The system comprises a mobile device as well as a panoramic camera, a license plate capturing camera, a GPS positioning device, a video recording device and an intelligent terminal which are all arranged on the mobile device, wherein the license plate capturing camera and the panoramic camera are in signal connection with the video recording device. According to the roadside parking charging and evidence collecting system and the realization method of the invention, the license plate capturing camera and the panoramic camera are adopted to identify license plates and capture the panoramic photos of vehicles respectively; the license plates, the panoramic photos, capturing time and GPS position information in capturing can form parking evidence records, and therefore, roadside parking charging and evidence collecting can be completed, work efficiency is high, construction operation such as road breaking and on-site pole erection can be avoided, the normal traffic of roads will not be affected, and the landscape of a city will not be damaged.

The invention provides an anchor rod pile bridge pile reinforcing structure. The anchor rod pile reinforcing bearing platform structure used for reinforcing a deformed bridge pile comprises a reinforcing bearing platform fixed on the periphery of the bottom of the bridge pile and a plurality of anchor rod static-pressure reinforcing piles, wherein press pile holes are formed in the reinforcing bearing platform, the number of the press pile holes is the same with the number of the anchor rod static-pressure reinforcing piles, the bottom pile end of each anchor rod static-pressure reinforcing pile is embedded into the soil layer under the reinforcing bearing platform by a designed depth through the corresponding press pile hole, the top pile head of each anchor rod static-pressure reinforcing pile is embedded into the reinforcing bearing platform, the top surface of the pile head of each anchor rod static-pressure reinforcing pile is lower than the upper surface of the reinforcing bearing platform, a pile sealing structure is arranged on the top of each pile head, and a plurality of reinforcing rebars are arranged in a fixing bearing platform in a horizontally and longitudinally cross mode. According to the anchor rod pile reinforcing bearing platform structure used for reinforcing the deformed bridge pile, the structure is simple, a bridge can be reinforced and maintained on the premise that an original bridge pile and an original deck are not changed, the deformed bridge can be rehabilitated, the bearing capacity of the bridge is guaranteed, construction is convenient and can be conducted on the premise that a passageway on the deck is not blocked, and normal traffic on the bridge is not influenced during maintenance.

The invention relates to a road toll device and particularly discloses a barrier-free dynamic weighing system for road toll. The barrier-free dynamic weighing system for the road toll is characterized in that an L-shaped support A is provided with an antenna and a vehicle license plate recognition system which are placed above a lane, a laser radar B arranged in the center of the lane, a laser radar A and a laser radar C, wherein the laser radar A and the laser radar C are respectively arranged on two edge positions of the lane. The devices arranged on the L-shaped support A are respectively connected with a weighing controller, and a weighing platform with the same width as the weighing controller is arranged on the lane ground. According to the barrier-free dynamic weighing system for the road toll, the laser radars arranged on the L-shaped support or a portal frame are used for vehicle separation, normal pass of vehicles is not affected, and possibilities that the devices are hit and damaged by the vehicles are small.

The invention discloses a tunnel-form prestressed pipe curtain structure and a construction method thereof. The tunnel-form prestressed pipe curtain structure is composed of a plurality of prefabricated concrete beams, a prefabricated steel unit, a concrete cast-in-place section, a plurality of transverse prestressed bars and a plurality of longitudinal prestressed bars; the multiple prefabricatedconcrete beams are connected through buckles and seam grouting, and form a whole by tensioning the transverse prestressed bars and the longitudinal prestressed bars; the prefabricated steel unit serves as a construction platform of the transverse prestressed bars to apply annular or transverse prestress to the multiple prefabricated concrete beams; and the concrete cast-in-place section is located at the bottom of the pipe curtain structure. The prefabricated concrete beams and a corner steel unit which are adopted in the pipe curtain structure can be subjected to standardized production in afactory, it can be guaranteed that the structure has good stress performance, and the tunnel-form prestressed pipe curtain structure and the construction method thereof have the advantages that the structure is simple, the construction speed is high, overall stiffness is large, the construction cost is saved, and the construction period is shortened, and have wide application prospects in underground structure construction, especially municipal engineering construction.

The invention discloses a large-span cantilever truss type capping beam bracket system. The large-span cantilever truss type capping beam bracket system sequentially comprises a bearing device, an elevation adjusting device, a truss mechanism and an operation platform from bottom to top; the truss mechanism comprises two truss bodies, each truss body comprises two truss assemblies, each truss assembly comprises an upper chord member and a lower chord member, each upper chord member is provided with a plurality of upper joints, each lower chord member is provided with a plurality of lower joints, and a straight web member is arranged between each upper joint and the corresponding lower joint; and a center joint is arranged in the midpoint between every two adjacent upper joints, inclined web members distributed in a splay shape are arranged between each center joint and the two corresponding adjacent lower joints. The invention further discloses a construction method of the large-span cantilever truss type capping beam bracket system. According to the large-span cantilever truss type capping beam bracket system and the construction method thereof, demounting, mounting and construction are convenient, the amount of steel used is small, and the height of an overall truss structure can be adjusted; and normal driving of a car is not affected in a working state.

The present invention discloses a magnetic core, an integrated magnetic element comprising the above-described magnetic core, an active clamp forward-flyback circuit comprising the above-described integrated magnetic element, and a switch power supply. The magnetic core comprises a first magnetic pole, a second magnetic pole, a third magnetic pole and a cross column. The cross column is connected to the same ends of the first magnetic pole, the second magnetic pole and the third magnetic pole. The second magnetic pole is located between the third magnetic pole and the first magnetic pole. The cross section of the first magnetic pole is not equal to the cross section of the third magnetic pole in area along the direction perpendicular to magnetic induction lines. According to the structure of the integrated magnetic element with the above magnetic core, two sets of transformers are formed by a coil wound onto the magnetic core. The active clamp forward-flyback circuit comprises the above-described integrated magnetic element. In this way, the cross-sectional area of the magnetic poles of a forward transformer is smaller than the cross-sectional area of the magnetic poles of a flyback transformer. Therefore, the normal operation of the active clamp forward-flyback circuit is ensured, while the size and the weight of the circuit are reduced.

The invention relates to a method for controlling upward flotation and deformation of a liquefiable ground operating tunnel under the action of an earthquake. The method comprises the following steps: digging vertical work shafts on two sides of the operating tunnel to the crest level of the tunnel; carrying out bored pile construction in the work shafts at the two sides; transversely jacking pipes at the crest level of the tunnel; placing a reinforcement cage in a culvert pipe hole and horizontally pouring concrete to form a top beam of the operating tunnel, wherein an operating tunnel door-shaped control structure is formed by the beam and bored cast-in-place piles on the two sides; binding and fixedly connecting the top beam and the cast-in-place piles by the reinforcement cage; and finally, carrying back filling and compacting the work shafts. The door-shaped control structures are respectively arranged at intervals of 200 m to 500 m in an area with a liquefied layer along the direction of the operating tunnel, so that the linear full-length non-control tunnel is changed into a sectional control structure. The technical method does not influence normal traffic of the tunnel during the construction, does not need to carry out great digging, is low in engineering cost and has low influence on surrounding buildings and the operating tunnel; and the cost for long-term maintenance is reduced and the operation safety is ensured.

The invention relates to a framing demounting supporting structure of a spandrelless arch bridge of an over crossing operation highway. The supporting structure is characterized by being mainly composed of an intermediate support, a bowl-button full support, a full support spiral steel pipe support and a frame support; the intermediate support comprises two spiral steel pipes, a transverse rod and a shearing force support are welded between the spiral steel pipes, the bottoms of the spiral steel pipes and a strip foundation are anchored, and the tops of the spiral steel pipes and a bridge body are anchored through a U-shaped screw; the bowl-button full support is provided with a shearing force support, a top support and a small wood wedge block, and the small wood wedge block is plugged between the top support and the bridge body; the spiral steel pipe support is additionally arranged at the bowl-button full support; and the frame support is formed by box iron in a welded manner, a shearing force support is arranged inside the frame support, an arc-shaped top support is arranged at the top of the frame support, and a shearing force key of the arc-shaped top support is inserted into an arch bridge arch ring. The supporting structure has the beneficial effects of being safe and reliable in construction and high in stability, having no influences on normal traffic, and having the good economic and technological benefits.

The invention discloses a bridge safety polling system and a diagnostic method based on a traditional Chinese medicine methodology. The bridge safety polling system comprises an information acquisition unit and a central processing unit, wherein the information acquisition unit is used for continuously acquiring bridge floor morphological images, vibration time course characteristic signal data and structural audio time course characteristic signal data; the central processing unit is used for receiving data information transmitted by the information acquisition unit and comprehensively analyzing and judging a bridge safety state. According to the invention, bridge floor face, dynamic response and sound distribution data of a bridge is acquired by a monitoring system, which is similar withlooking, listening, asking and feeling the pulse in the traditional Chinese medicine theory; the safety state of the bridge is comprehensively analyzed for replacing the existing structural safety inspection work; polling efficiency can be effectively improved; artificial participation intensity is reduced; inspection can be implemented in an omnibearing mode in shorter time; not only can surfacedefects of the structure be directly observed and found after image information returned by the system is analyzed and processed by an image morphological algorithm, but also according to a rule thatdiseases endangering structural safety necessarily cause changes of the structural morphology, analysis comparison of bridge face (structural appearance) change monitoring is obtained by each inspection to discriminate safety of the current structure.

The invention provides a double-layer three-dimensional parking garage, and belongs to the technical field of parking garages. By the aid of the double-layer three-dimensional parking garage, problems that roads of an existing three-dimensional parking garage need to be wide and hiding and avoiding functions cannot be realized when the existing three-dimensional parking garage is empty are solved. The double-layer three-dimensional parking garage is arranged on a parking platform and comprises a parking board, front rotary arms, rear rotary arms and driving mechanisms. The upper end and the lower end of each rear rotary arm and the upper end and the lower end of each front rotary arm are respectively rotationally connected with the parking board and the parking platform, the driving mechanisms are connected with the front rotary arms, linkage mechanisms are arranged on the rear rotary arms, and the parking board is turned over and erected under the effect of the linkage mechanisms when the front rotary arms rotate from parking positions to the inner side of the parking garage. The double-layer three-dimensional parking garage has the advantages that vehicles at upper and lower parking lots of the double-layer three-dimensional parking garage can be accessed without mutual interference, and the parking board can be repositioned by means of controlling turnover driving cylinders, so that an upper-layer parking function can be realized; the turnover driving cylinders and erecting driving cylinders are matched with one another to control an oblique angle of the parking board, functions of a roadside fence can be realized, the parking resource utilization rate is increased, and a temporary avoiding effect can be realized.

The invention provides a method and a device for lifting roadbed settlement of the existing road. The method comprises the following steps: horizontally inserting a plurality of plate-shaped lifters capable of performing one-dimensional expansion into the roadbed sequentially according to the position and the quantity required by the design in the zone where the roadbed of the road is settled non-uniformly and in the certain distance below the contact interface between the road surface and the foundation, wherein the lifters are gradually expanded vertically according to the sequence, and the expansion rate and the expansion amplitude required by the design, so that the settled roadbed is lifted and recovered to the roadbed design target value; sequentially substituting block materials with sufficient strength and grouting holes for the plate-shaped lifters; and injecting a proper amount of known gel materials so as to fill the gap of the block materials, form holes in soil in the lifting process and fulfill the aim of lifting the roadbed settlement of the existing road.

a black smoke vehicle recognition method based on Gaussian mixture and an autoregressive moving average model comprises the following steps: (1) detecting moving objects from road surveillance video using a Gaussian mixture model; (2) extracting three kinds of features of a vehicle key area, including Haar-like features, co-occurrence matrix gradient direction histogram features and local binary mode Fourier histogram features; (3) using an ARMA model to model the continuous multi-frames of each feature, and obtaining three different models; (4) for the new vehicle target, using the three models to classify the three features extracted from the key areas of the vehicle. Combined with the classification results of different features and the comprehensive analysis of continuous multi-frames,the method can judge whether there are smoky vehicles in the current video segment. The invention can greatly save manpower and financial resources consumed in a traditional method, is conducive to obtaining and preserving evidence, does not affect normal traffic, and can effectively improve law enforcement efficiency.

The invention relates to an approach bridge vehicle, which comprises a vehicle body and an approach bridge arranged on the vehicle body, wherein the vehicle body comprises a frame, and a running system and a power driving system which are arranged on the lower part of the frame; the upper part of the frame is provided with a support part used for supporting the approach bridge; and the approach bridge vehicle can connect the approach bridge between the ground and a bridge through the support part. After a bridge is connected by a plurality of spans, the approach bridge vehicle can transitionally connect the bridge and the ground to realize temporary traffic, the normal traffic at ordinary times is not influenced, and the vehicle has a better auxiliary effect for manufacturing the bridge.

An extended folding bed for an accompanying person includes a folding framework disposed on one side of a hospital bed and an extended bed board adjustable in width. The folding framework includes a cross beam parallel to the length direction of the hospital bed, a support supporting the cross beam and two groups of folding rod assemblies. The two groups of folding rod assemblies are located between the cross beam and the hospital bed, one side of the extended bed board is rotatably arranged on the cross beam, each folding rod assembly includes a rear folding rod and a front folding rod whichare hinged together, the end of the front folding rod is hinged to the cross beam, the end of the rear folding rod sleeves a vertical rod of a hospital bed head guardrail or a bed tail guardrail through a clamping and sleeving assembly, the clamping and sleeving assembly is provided with a locking mechanism, and the clamping and sleeving assembly can rotate around the vertical rod after the locking mechanism is loosened. The extended folding bed is simple in structure, high in practicality, simple and convenient to operate, can be combined with a hospital bed main body for use, the extended folding bed can be hidden on one side of a hospital bed body in a folding state, and a limited hospital bed space can be fully utilized.

The invention discloses a pedestrian section crossing control method based on ground public transport traffic priority. When road right special public transport passageways are arranged at two sides of a road and no median crossing pedestrian refuge is arranged in the road, or, when the road right special public transport passageway is arranged in the middle of the road and no site is arranged atthe pedestrian crossing position of the road and a median crossing pedestrian refuge for enabling a pedestrian to stay in the middle of the road is not suitable for being set in the road, a pedestrianprimary section crossing control method is adopted. When the road right special public transport passageways are arranged at two sides of the road and a median crossing pedestrian refuge is arrangedin the road, or, when the road right special public transport passageway is arranged in the middle of the road and a boarding and alighting site is arranged at the pedestrian crossing position of theroad and the site itself is the median crossing pedestrian refuge, a pedestrian secondary section crossing control method is adopted. In a condition of not influencing the normal passing of the road right special public transport, the median crossing requirements of the pedestrian are met.

The invention provides a lane separating warning post and a warning method thereof and belongs to the field of road traffic equipment, in particular to the technical field of lane separating devices. The lane separating warning post comprises a pedestal and a post body, wherein the pedestal is buried in a lane line; the lower end of the post body is matched with the upper end of the pedestal; the pedestal comprises a buttress and a base; the buttress is arranged on the periphery of the lower part of the base; a hole is longitudinally formed in the upper part of the pedestal; a spring is arranged in the hole; a mobile panel matched with the lower end of the post body is arranged at the upper end of the spring; an empty groove matched with the lower end of the post body is transversely formed in the side wall of the hole; the lower part of the post body is shaped like T; and the upper part of the post body comprises a flashing light, a buzzer and a millimeter wave radar, wherein the flashing light is positioned at the top of the post body. The lane separating warning post mainly comprises a millimeter wave radar processing system and a warning system and can monitor vehicles within a detection range in real time. The lane separating warning post has the advantages that the lane separating warning post is lightweight and stable, can be flexibly removed and is movable in an embedded manner; and the lane separating warning post has an induction alarming function and can effectively prevent vehicle illegal lane change.

The invention relates to the field of tunnel engineering, in particular to a tunnel cold-proof and freezing-proof system in alpine regions. The tunnel cold-proof and freezing-proof system comprises afan, a generator, a freezing-proof layer and an electric heating element, wherein the fan is arranged in a tunnel; the generator is connected with the fan; the freezing-proof layer is arranged betweena primary support and a secondary lining of the tunnel or arranged on the side, close to the center of the tunnel, of the secondary lining; and the electric heating element is electrically connectedwith the generator, and the electric heating element is arranged in a drainage system and / or the freezing-proof layer of the tunnel. The tunnel cold-proof and freezing-proof method and the heat energycalculation method are based on the system. According to the tunnel cold-proof and freezing-proof system, clean energy wind energy generated in the tunnel is utilized, extra manual energy applicationis not needed, freezing damage is avoided, and meanwhile the beneficial effects of being capable of saving energy, free of pollution and high in working frequency are achieved.

The invention belongs to the technical field of bituminous pavement cold filling, and discloses a bituminous pavement cold filling mixture and a preparation method and application method thereof. Thebituminous pavement cold filling mixture comprises A components and B components, wherein the weight ratio between the A components and the B components is (35-55):100, the A components comprise, by weight, 90-120 parts of concrete, 45-75 parts of water, 0.1-0.5 part of early strength agent and 1-3 parts of fatty alcohol alkoxy ether; the B components comprise, by weight, 50-80 parts of rubber modified asphalt, 200-300 parts of building stone and 5-10 parts of trichloro ethylene; the preparation method of the bituminous pavement cold filling mixture comprises the following steps of 1) A component preparation and 2) B component preparation; the application method of the bituminous pavement cold filling mixture comprises the following steps of c1, pit slot paving; c2, grouting and c3, traffic opening after flushing. The bituminous pavement cold filling mixture and the preparation method and application method thereof have the advantages that the permeability performance and void ratio are reduced, the problem of bituminous pavement separation is solved, the influence of retarder thinner on the cold filling material is weakened, and the service life of the bituminous pavement is prolonged.

The invention discloses a street lamp which comprises a lamp post, a lamp cover and a lamp cap, wherein the lamp cap is installed upwardly on the top of the lamp post, the lamp cover is installed on the top of the lamp post by using a support frame, the lamp cover is provided with two reflectors one of which is faced toward the street, the other is faced toward the footpath. Because the lamp cap is directly installed on the top of the lamp post, using the reflector to split light without two arms, the street lamp can be repaired without using maintenance car and influencing normal traffic only by erecting a ladder in the roadside flower bed.

The application discloses a height-limiting rod anti-collision warning device employing a crash sensor. The device comprises a height-limiting rod, a pre-limiting rod arranged in front of the height-limiting rod, crash sensors and a control module arranged on the pre-limiting rod, and a warning device arranged on the height-limiting rod, a first crash sensor and the warning device are connected with the control module through a signal line or a wireless control module, a function of warning drivers of over-limit vehicles is provided, when the front vehicle exceeds the height, the driver of thefront vehicle is reminded to take brake measures and the driver of the rear vehicle is reminded to improve alert, and when the driver of the over-limit vehicle collides with the height-limiting rod due to failure of timely control of the vehicle, evidence can be taken in time, and the emergency is informed of a traffic accident police-calling station to facilitate subsequent processing. Accordingto the device, the structure is simple, the practicality is high, the accuracy is high, the work is reliable, the cost is low, function improvement of the conventional height-limiting rod on the roadcan be performed to achieve the goal of the device, and the material is saved.

The invention relates to a self crossing type right turning viaduct in crossing, suitable for turning right at crossing under Chinese current road traffic rules, which comprises the arcs on two end of the first viaduct floor jointed to the horizontal plane and a right bent viaduct with two bends of 60-120 degrees on both ends; the entry end and the exit end of the right turning viaduct are positioned at the crossing far from the crosswalk and the right side crosswalk; the entry end is positioned on the motor straight going side of the non-mechanical vehicle lane or on the mechanical vehicle lane; the exit end is positioned on motor straight going side on the right side road of the entry end or on the right non-mechanical vehicle lane; and the function formula of the obliquity degree number Y of the oblique bridge pier, the turning angle degree number X, and the turning length L is: Y=90-K[(180-X) / L]. The invention can realize automobile unblocked right turning on straight going side lane, that is, no road occupation conflict with the pedestrians on crosswalk with turning right. in addition, the right turning viaduct has low requirement for height, low building cost and less influence to the normal traffic at crossing wile constructing.

The invention discloses a method of prestressed steel wire mesh polymer mortars reinforcing a concrete ribbed arc bridge. The method comprises a plurality of reinforcing systems which are distributed along a concrete arch bridge arch rib to be reinforced, each reinforcing system comprises multiple rows of steel wire meshes which are arranged at intervals, formed by prestressed steel wires and coat the concrete arch rib to be reinforced in a ring direction, first fixation members which are used for fixing one ends of the steel wire meshes and forming unit construction segments, and second fixation members which are used for fixing the other ends of the steel wire meshes and are arranged parallel to the first fixation members at intervals, and widths of a strain equipment which is used for stretch-drawing and fixing the first fixation members and the second fixation members are reserved between the first fixation members and the second fixation members. The method of the prestressed steel wire mesh polymer mortars reinforcing the concrete ribbed arc bridge is simple and convenient in construction and short in period, does not need large-scale machines and tools and equipment, and is obvious in reinforcing effect and good in durability.