69results about "Temporary pavings" patented technology

The utility model relates to quick assembly type lawn protection board, including the board body, the board body upper end longitudinal interval is equipped with multiple rows of antiskid structure, and each row of antiskid structure includes the multiple antiskid lines A and antiskid lines B that are alternately set in sequence interval, the center of antiskid line A and antiskid line B is equipped with the through -hole respectively, the board body lower extreme longitudinal interval is equipped with multiple rows of openwork support structure, and each row of openwork support structure includes the multiple support rings that are set up in horizontal interval, the board body lower extreme is equipped with the grid reinforcing rib, the board body all around is equipped with the side plate respectively, the side plate and support ring lower extreme flush, openwork support structure and side plate inner wall connect, the outside of adjacent two side plates is respectively equipped with multiple clamping seats on interval, the clamping seat both sides are equipped with the card column respectively, and the inside of corresponding other two side plates is respectively equipped with multiple clamping slots that cooperate with clamping seat and card column and splice. Have the advantages such as reasonable in structure design, strong impact resistance, good antiskid effect, convenient and quick splice.

This invention discloses a method for maintaining a temporary access road when an elevated trestle bridge passes under an existing railway frame bridge. The existing railway frame bridge is a double-span drainage culvert. The method includes: constructing a traffic culvert on one side of the double-span drainage culvert, while retaining the other side as a drainage culvert; constructing a temporary steel bridge within the traffic culvert to form a construction passage across the bottom slab of the existing frame culvert; connecting the temporary steel bridge with the passages on both sides of the double-span drainage culvert to form a temporary access road; maintaining clearance between the temporary steel bridge and the bottom of the traffic culvert; and spacing between the temporary steel bridge and the two sides of the traffic culvert; the temporary steel bridge is a single-lane bridge with height and width restrictions. This invention enables low-clearance crossing while ensuring smooth drainage during the flood season.

The utility model relates to steel grating technical field discloses module type composite structure steel grating, including frame, the inner wall of frame is provided with positioning mechanism, positioning mechanism is used for improving the work efficiency when steel grating processing, the inside of positioning mechanism is provided with reinforcing mechanism, positioning mechanism includes a plurality of flat steel plates, the front and back side of a plurality of flat steel plates is fixedly connected in the inner wall front and back side of frame, the top wall left and right sides of frame are all set up a plurality of positioning slots, the top of frame is provided with a plurality of support beams, and the bottom left and right sides of a plurality of support beams are respectively with corresponding positioning slot clamping. In the utility model, the bottom of support beam is fixed after clamping with flat steel plate, makes the connecting of reinforcing rib complete the fixed operation of flat steel plate and support beam, improves the positioning effect when assembling, and simultaneously under the cooperation of splicing assembly and locking assembly, steel grating can complete module type assembly.

This invention discloses a construction method for a prefabricated composite surface for oil and gas drilling sites, relating to the field of drilling site floor structure technology. The invention employs clay petrification technology to solidify the original soil into a surface base layer to meet engineering requirements. This clay petrification technology consists of two organic chemical substances: a powder and a liquid. The powder has strong water-reducing capabilities and is suitable for soils with high moisture content; the liquid improves the clay's resistance to hydration and, after dilution with water, is mixed with the clay, making it suitable for more humid areas. By using clay petrification technology to solidify the original soil into a surface base layer, the density can be further increased with continued use, making the clay increasingly petrified and harder. This prevents rainwater seepage into the base layer, avoiding soil softening and uneven settlement, preventing breakage of the surface panels, and improving the reusability of the surface panels.

The utility model discloses a kind of invisible well lid structure;Including well lid, well ring and tray, the well ring and well lid are arranged on well wall, the well ring inside has the through-hole of upper wide and lower narrow, the well lid is located in lower layer through-hole, the tray is located in upper layer through-hole, buffer filling layer and supporting assembly are equipped between the tray and the well lid, the supporting assembly is connected at the bottom of the tray, the tray is equipped with with road surface flush surface layer.The utility model tray is set on well ring, tray is set on well ring, buffer filling layer is filled between tray and well lid, buffer filling layer can resist tray under vertical force and bend deformation, improve the strength and carrying capacity of well lid structure, also can play the role of buffer, avoid when vehicle passing, tray shake, and can reduce noise to some extent.

The utility model relates to building technical field discloses a novel paving steel plate antiskid device, including steel plate body, the top of steel plate body is equipped with rubber protection shell, the inside of rubber protection shell is provided with buffer assembly, the coating of rubber protection shell has antiskid paint, the inside of rubber protection shell is installed with drainage component, the outside fixed connection of rubber protection shell has rubber slope, the top of drainage component is provided with antiskid component, the drainage component includes a plurality of deflector, the outside fixed connection of deflector in the inside of rubber protection shell, the inside of rubber protection shell all is equipped with a plurality of drainage groove no.

The invention relates to a system (1) comprising a first slab (2), a second slab (3) and a connector (4) for the movable, releasable connection of the slabs, wherein a first receptacle (15) of the first slab has a rigid connecting element (19) which has a cross section differing from a circular shape, wherein a first end portion (5) of the connector has a cross section corresponding thereto in order to be able to bring the first end portion into engagement with the connecting element in an engagement position (22), wherein the connector in engagement with the connecting element is pivotable such that the first end portion is connected to the connecting element in a form-fitting manner, wherein a second receptacle (17) of the second slab has a guide (23) with at least one guide profile (24), wherein a second end portion (6) of the connector has a movable closure mechanism (25) with a lock (26) in order to be able to transfer the second end portion and the second receptacle into a locked state (27), wherein the connector is pivotable about a longitudinal axis (28) of the lock and displaceable along the guide.

This application discloses a modular temporary road, comprising a panel, a first fixing component, and a second fixing component. Adjacent panels abut together, and each panel has drainage and ventilation holes arranged in a staggered pattern. The first fixing component is located at the edge of the panel and is used to fix two adjacent panels together. The second fixing component is located at the corner of the panel and is used to fix four adjacent panels together. The advantages of this invention are: the modular temporary road, through its detachable fixing components, can be quickly disassembled into independent panels and fixing components after construction. The recycled panels and components can be reused for new temporary road construction after simple cleaning and maintenance, significantly improving material utilization.

The application relates to a temporary passage structure crossing post-cast belts and belongs to the field of building construction auxiliary devices, which comprises a three-section steel plate, a plurality of I-beams, a supporting piece and a bottom steel plate, the bottom steel plate is horizontally arranged on two concrete bottom plates, the supporting piece is arranged in the gap between the concrete bottom plates, the supporting piece is used for supporting the bottom steel plate, the plurality of I-beams are fixed on the bottom steel plate, the two ends of the I-beam are respectively located on the two concrete bottom plates, and the three-section steel plate is arranged on the top surface of the I-beam. The application has the effect of improving the structural strength of the temporary passage.

This invention relates to the field of indoor ski resort construction and discloses a method for fixing wheeled construction machinery on indoor ski resort slopes. The method includes the following steps: S1, designing a support device, comprehensively considering the inclination angle of the concrete slope of the ski slope, the load of external machinery on the support device, and indoor environmental factors. A preliminary model and material selection for the expected support device are determined using finite element software and Tekla software. S2, arranging the construction positions based on the BIM model of the entire construction site. S3, processing and transportation devices. S4, fixing the device base. S5, installing and fixing the machinery. The support device is assembled by welding channel steel, and the base installation and chemical bolt configuration are precisely determined. Track connecting pieces and wheel stop positioning devices accurately secure the machinery, ensuring the stability and safety of the support device and machinery during construction, distributing the load, preventing displacement and slippage, improving construction quality, reducing the possibility of accidents, and achieving the effect of ensuring construction safety and flexibility.

A tire escape device includes a track storage module and a track, wherein the track storage module is arranged in the vehicle body above the wheel, a rotating mechanism is arranged in the track storage module, an electromagnetic adsorption module for connecting with the first end of the track is arranged on the rotating mechanism, the rotating mechanism drives the track to wind in the storage module, or the rotating mechanism drives the track to unfold outward from the storage module, and the second end of the track extends to the rear of the wheel running direction along the outer circumferential surface of the wheel to the bottom of the wheel. The tire escape device does not affect the appearance of the vehicle and the daily wind resistance, does not occupy the limited storage space in the vehicle, can realize the smooth escape of the wheel from the trouble, does not need the user to replace the special structure tire or manually lay the track, saves the cost, improves the user experience, and is convenient for realizing the winding storage of the track.

The invention relates to an integral crossing plate and road joint settlement control method, which comprises the following steps: (1) roadbed treatment and steel slag water stable layer construction: compacting a roadbed at the bottom of a foundation pit, mixing steel slag and gravel according to a ratio, paving and compacting in layers, and forming a stable steel slag water stable layer; (2) foundation construction is conducted, specifically, a foundation bottom plate structure or a tower-shaped structure is adopted for foundation construction; (3) mounting the crossing plates: hoisting the whole crossing plates to the mounting positions, adjusting the levelness and the position relationship with the road joint, and welding and connecting two adjacent crossing plates by using a steel plate embedded part; and (4) transition section construction: carrying out transition section construction with a certain length between the pavement and the crossing plate. Sufficient and uniform basic rigidity is provided for the integral crossing plate and the crossing pavement, the rigidity difference of adjacent structures at the joint of the integral crossing plate and the road is effectively reduced, differential settlement is controlled, and the diseases such as bumping are reduced.

The application discloses a processing and construction method of airport runway stone recycled decorative plate, which comprises runway stone raw material debarking and cutting, runway stone standard plate front surface glue coating, hole filling glue used for glue coating contains heat-sensitive microcapsule hole filling agent, on-site paving construction of the runway stone recycled decorative plate is carried out by using cement mortar, expansion joint is opened and filled, and the decorative plate is mechanically polished and polished, etc. In the application, the heat-sensitive microcapsule hole filling agent is added into the hole filling glue, the microcapsule releases the hole filling agent in the mechanical polishing process after the recycled decorative plate is installed, the gap is filled again, the water absorption of the runway stone recycled decorative plate is reduced under the premise of not increasing the processing and construction procedures, and meanwhile, the polishing gloss is ensured.

The utility model discloses a water -permeable ecological ground paving stone, including the ground paving stone module of modularization design, its inside is equipped with recess body, recess body installs the baffle with through -hole, fills planting soil and plants grass on the baffle top, and the lower part is paved gauze cushion layer, ground paving stone module both sides are equipped with the drainage groove, and the drainage channel is formed after splicing, and the side wall water hole is connected recess body and drainage groove, realizes the three -dimensional drainage of rainwater vertical infiltration and horizontal drainage combination, and the structure stability is strengthened through the insertion and fixed of L shape connecting groove and the U shape connecting piece of elastic tension spring reinforcement between modules, recess body top covers the baffle with strip hole, and the grass is protected and is allowed to grow. The utility model has the advantages of efficient water -permeable, ecological grass planting, impact drainage and modularization quick construction, is applicable to the scene such as park lawn, square, effectively alleviates the urban waterlogging and promotes the landscape ecological benefit.

To provide a covering plate for excavation, which allows large vehicles to pass safely, is easy to assemble, and takes a short time to set up. [Solution] A covering plate 1 used to cover road excavation trenches, comprising a plate portion 11 on the upper surface that comes into contact with the road and a reinforcing portion 13 below the plate portion, wherein the plate portion and the reinforcing portion 13 abut on at least a portion of the underside of the plate portion 11 and the entire upper surface of the reinforcing portion 13, and the reinforcing portion 13 is configured to be accommodated inside the excavation trench, the plate portion 11 has an insertion hole 12, and is provided with a handle that is inserted through the insertion hole 12 and installed on the reinforcing portion.

The utility model relates to a car escape device technical field, concretely relates to a portable car escape device, including auxiliary band and positioning assembly, including multiple groups of auxiliary strip structure in auxiliary band, and the bottom of each group of auxiliary strip is all seted up with the bottom groove, and positioning assembly sets up in the bottom groove, including the bottom plate of T type and the threaded rod setting in the bottom plate in positioning assembly, the top end of bottom plate is seted down with the inner groove, and the symmetrical light surface hole is seted up on the middle part of two end side walls of bottom plate, the threaded rod is provided in the inner groove, the threaded rod is equipped with multiple groups of card sets block one and card sets block no.

A method for production of a customized site-specific traffic decking system for a planned excavation site involves obtaining planning specifications of the excavation, and based thereon custom designing a site-specific kit of modular decking componentry composed of dimensionally-fixed components of rigidly predefined non-adjustable shape and size, including at least a set of prefabricated girders for spanned installation between support of excavation (SOE) walls at different sides of the excavation site, and a set of prefabricated decking panels assemblable with the prefabricated girders in supported and non-welded relation thereto to form a traversable decking surface over the planned excavation site. The design site-specific kit of modular decking componentry is precision fabricated in a factory setting situated remotely of the excavation site. Delivery of the kit in less-than fully assembled form to the excavation site is coordinated, for assembly and installation through non-welded assembly of the site-specific kit of modular decking componentry.

Improved containment mats and systems of containment mats may include multiple adjoining mats with a top surface and a bottom surface. The multiple mats may provide a modular structural mat system that may be installed at a drill site, with multiple mats placed adjacent to each other with a lap joint connecting adjacent mats. A geotextile may be used to cover the lap joints and a coating applied to the geotextile. Such a system may provide containment of potential spills, a reliable working surface for drilling operations, and relatively fast and less expensive installation.

The application provides a modular temporary road structure and a construction method, the modular temporary road structure comprising a plurality of module components, filling columns and connecting components, the gaps between the plurality of module components being provided with the filling columns, and the connecting components being used for connecting the plurality of adjacent module components. The application provides a construction method of the modular temporary road structure, which utilizes the concrete prefabricated filling columns; adopts tires as the outer shells, pours the concrete into the annular cavities inside the tire bodies to prefabricate the module components; sequentially arranges the plurality of module components along a first direction to form a plurality of module groups, arranges the plurality of module groups along a second direction, embeds the prefabricated filling columns in the gaps between the adjacent module groups, pours the adhesive material between the filling columns and the module components, connects the plurality of adjacent module components by the connecting components, and forms the temporary pavement. The application has the beneficial effects of utilizing the old resources, improving the construction efficiency, reducing the installation and dismounting difficulty, and forming the temporary road with the stable structure.

The application discloses an anti-stripping and aging-resistant warm mixing agent and a preparation method and application thereof. The anti-stripping and aging-resistant warm mixing agent comprises the following raw materials: a styrene-butadiene-styrene copolymer, a styrene-butadiene rubber, a styrenated phenol, a resin, an alkyl ammonium chloride, a coupling agent, an antioxidant, a surfactant and an aromatic oil. The anti-stripping and aging-resistant warm mixing agent is particularly suitable for airport runway asphalt, can obviously improve the anti-stripping and aging resistance of the asphalt, and can also reduce the amount of asphalt smoke, which is beneficial to environmental protection.