38results about "Mould panels" patented technology

The invention discloses a reinforced concrete prefabricated column, a prefabricated column and cast-in-place beam connecting node and a construction method, one end of a prefabricated column main body is provided with a longitudinal exposed reinforcing steel bar (with a threaded structure), the other end of the prefabricated column main body is provided with a supporting sleeve and a reinforcing steel bar connector, and a beam plate structure is provided with a positioning sleeve; the supporting sleeve is matched with the positioning sleeve (having the double functions of precise positioning and temporary supporting), the steel bar connector is matched with the longitudinally exposed steel bar with the threaded structure, and the integrated solution of supporting, positioning and connecting is achieved.

The invention relates to the technical field of building formworks, and discloses a concrete component pouring mold which comprises two pouring side plates used for bearing poured concrete after being enclosed, a plurality of connecting assemblies are installed at the joint of the two pouring side plates, and supporting assemblies used for keeping the pouring side plates stable in the pouring process are arranged outside the pouring side plates. The surface of the supporting assembly is further provided with a vibration assembly used for conducting vibration defoaming on poured concrete and a driving assembly used for driving the vibration assembly to longitudinally ascend and descend. According to the supporting assembly, the pouring side plate is enclosed through the four supporting rods, the supporting rods are matched with the supporting plate to form a rigid frame structure, meanwhile, the pouring side plate is restrained in an auxiliary mode through clamping connection of a lifting groove and a lifting disc, and the problems of top shaking and deformation caused by concrete side pressure during high-size pouring are effectively counteracted; it is ensured that the section size and perpendicularity of the component meet design requirements, and the defects that the top of a traditional die expands outwards and the size is out of tolerance are overcome.

The invention relates to a UHPC prefabricated slab, a UHPC prefabricated bridge deck slab and a prefabricated slab mold, and the UHPC prefabricated slab comprises a prefabricated slab body which comprises ultra-high performance concrete and a reinforcing mesh pre-buried in the ultra-high performance concrete; the multiple threaded rods are located on the side wall of the ultra-high performance concrete, and all the threaded rods are partially embedded in the ultra-high performance concrete; a plurality of interface reinforcing steel bars are arranged, and the plurality of interface reinforcing steel bars are partially pre-buried on the side wall of the pre-ultra-high performance concrete in the horizontal direction. The threaded rods and the interface reinforcing steel bars located on the side wall of the prefabricated slab body can increase the contact area of an interface to the maximum extent, the bonding tensile strength and the crack resistance of the interface are improved, and the upper limit of interface cracking is improved. The threaded rod and steel fibers in UHPC have the same effect, meanwhile, the interface scabbling technology is not affected, and the interface strength is improved.

The present invention provides a prefabricated and assembled retaining wall mold and a using method thereof, including: The outer mold includes an outer arc-shaped steel plate and an outer stepped plate. The side of the outer arc-shaped steel plate and the side of the outer stepped plate are connected by a first connecting plate. An outer support part is fixedly connected to the outer wall of the outer arc-shaped steel plate, and a hollowing mechanism is fixedly connected to the inner wall of the outer mold; The inner mold includes an inner arc-shaped steel plate and an inner stepped plate. The side wall of the inner arc-shaped steel plate and the side of the inner stepped plate are connected by a second connecting plate. Side templates are fixedly connected to both sides of the inner mold. The side wall of one side template abuts against the inner wall of the outer arc-shaped steel plate, and the other side template abuts against the inner wall of the outer stepped plate. A support mechanism is fixedly connected to the bottom of the side of the inner mold away from the outer mold, and a bottom mold part is arranged at the bottom of the side wall of the inner mold facing the outer mold. The present invention achieves: By using a prefabricated mold to manufacture the retaining wall, the structural strength of the retaining wall is ensured, the weight of the retaining wall is reduced, the produced retaining wall is a split structure, which is convenient to transport the prefabricated retaining wall to the construction site, and the labor intensity of workers is reduced.

The invention belongs to the technical field of highway bridge construction, and discloses a large-volume concrete prefabricated abutment preformed hole template device, which is characterized in that the plate surfaces of a large circular template and a small circular template are provided with reinforcing steel bar holes through which reinforcing steel bars penetrate, and the adjacent surfaces of the large circular template and the small circular template are adjacent inclined surfaces; the large circular templates and the small circular templates are arranged at intervals and spliced through connecting pieces to form a cylindrical template, the #-shaped support is located in the cylindrical template, and the bottom template is detachably and coaxially fixed to the bottom of the cylindrical template; the large circular templates and the small circular templates are respectively connected with the #-shaped bracket in a sliding manner through sliding pieces, and the two large circular templates and the two small circular templates are driven by corresponding hydraulic oil cylinders to be close to or far away from each other under the guiding action of the sliding pieces; the two ends of the inner wall of the small circular template are fixed to the #-shaped support through at least one detachable supporting rod. The small round die plate can be opened through the hydraulic oil cylinder, and time and labor are saved.

This invention discloses a tie-rod-free hydraulic T-beam formwork for highway precast beams, comprising two sets of outer molds and a base. The two sets of outer molds are arranged opposite each other, and the base is positioned between the two outer molds. Each set of outer molds includes multiple parallel outer frames and side steel plates. The outer sides of the multiple outer frames of each set of outer molds are connected by a through beam. Side steel plates are respectively provided on the opposite sides and top surfaces of the two sets of outer molds, and a bottom steel plate is provided on the top of the base. Each outer frame is fixed on a slider, which is mounted on a sliding block perpendicular to the through beam. Each slider is connected to its corresponding sliding block via a hydraulic cylinder I. One end of a hydraulic cylinder II is hinged to the through beam at the position of each transverse diaphragm of the T-beam, and the other end of the hydraulic cylinder II passes through the side steel plate and contacts the concrete. This invention has a simple structure, is easy to operate, can reduce production costs, improve production efficiency, has good safety, and can ensure the overall appearance quality of the precast beam.

The application belongs to the technical field of highway bridge construction, and discloses a large-volume concrete prefabricated pier reserved hole formwork device, wherein the board surface of a large circle formwork and a small circle formwork is provided with a steel bar hole for the steel bar to pass through, the adjacent surface of the large circle formwork and the small circle formwork is a butt bevel, the large circle formwork and the small circle formwork are arranged at intervals and are spliced through a connecting piece to form a cylindrical formwork, a cross-shaped support is located inside the cylindrical formwork, and a bottom formwork is detachably fixed to the bottom of the cylindrical formwork in the same axis. The large circle formwork and the small circle formwork are slidably connected with the cross-shaped support through sliding members, two large circle formworks and two small circle formworks are driven by corresponding hydraulic oil cylinders to move close to or away from each other under the guidance of the sliding members, and the inner wall of the small circle formwork is fixed to the cross-shaped support through at least one detachable supporting rod at both ends. The small circle formwork can be opened by the hydraulic oil cylinder, thereby saving time and effort.

The application discloses a spiral rising water line modeling concrete component template device and method, relates to the technical field of underground engineering construction, and comprises a sliding assembly, a supporting assembly and a template assembly, the supporting assembly is connected between the sliding assembly and the template assembly; the sliding assembly comprises a track, an inner sleeve pipe capable of spirally moving along the track, and a plurality of outer sleeve pipes arranged axially along the inner sleeve pipe; the supporting assembly comprises a plurality of groups of supporting rod assemblies arranged in a radial manner, the supporting rod assembly comprises a main supporting rod hinged with the inner sleeve pipe, a secondary supporting rod hinged with the outer sleeve pipe, and the secondary supporting rod is hinged with the main supporting rod; the template assembly comprises a plurality of groups of folded plate templates, the folded plate template is hinged with the main supporting rod, and the plurality of groups of folded plate templates are sequentially connected to form a closed structure. The application is suitable for the spiral rising water line modeling concrete component, can save the template, and improves the construction efficiency.

The invention discloses a manufacturing device and method for a prefabricated TRC formwork of an assembly type stirrup-free TRC square column. The manufacturing device comprises a left end plate, a right end plate, an outer formwork and an inner formwork. The left end plate is provided with a pouring hole, a first inner mold mounting hole, a first main rib mounting hole and an outer mold main plate positioning bolt hole; the right end plate is provided with a second inner mold mounting hole, a second main rib mounting hole and an outer mold main plate positioning bolt hole; the outer mold is composed of two corresponding square bracket-shaped outer mold main plates, and the two edges of each outer mold main plate are connected with outer mold splicing wing plates which are outward and perpendicular to the outer mold main plate respectively. The inner die comprises an inner die main plate, an inner die angle die and a main shaft. The manufacturing method comprises the steps of adjusting the inner formwork, installing the left end plate and the right end plate, installing the main reinforcements, winding the fabric net, installing the outer formwork, pouring fine aggregate concrete and removing the formwork. The quality and the bearing performance of a formwork finished product are guaranteed, and meanwhile the construction efficiency is improved.

The present invention belongs to the technical field of precast bridge construction, and particularly relates to a forming template structure for precast beam slabs. The template structure is arranged at the upper end of an outer formwork frame body and includes: a plurality of comb-shaped templates and a plurality of fixing jigs; a single comb-shaped template includes a comb-shaped plate, a bottom plate arranged at the lower end of the comb-shaped plate and connected to the outer formwork frame body, and a positioning plate arranged at the side end of the comb-shaped plate; a single fixing jig is located between two adjacent comb-shaped templates and fixes the two comb-shaped templates simultaneously, and a single fixing jig includes a fixing plate detachably connected to the outer formwork frame body, and an upper clamping plate and a lower clamping plate which are arranged at the end of the fixing plate far away from the outer formwork frame body and are arranged in parallel with each other. On the basis of adopting a split comb-shaped template, the present invention simplifies the structure of the comb-shaped template itself and reduces its mold opening cost; at the same time, the fixing of the comb-shaped template is completed through the cooperative connection between the fixing jig and the comb-shaped template, and the installation / demolition work of the comb-shaped template can be quickly completed, having the advantage of high working efficiency.

The present invention relates to the field of bridge construction, and particularly relates to a composite slab mold and a method for casting a composite slab using the mold. The mold is characterized by comprising: a bottom mold; side molds, wherein the two sides of the upper surface of the bottom mold are detachably connected with the side molds respectively. The side molds are perpendicular to the bottom mold, and the side molds on both sides of the bottom mold are parallel to each other. The side molds are equidistantly provided with notches, and the notches on the opposite side molds are staggered; a simulation part, which is respectively arranged on the upper surface of the bottom mold, and the simulation part is located in the shear key groove of the composite slab. The beneficial effect of the present invention is that, since sleeves are used to simulate the positions of the shear studs, and the steel bars are adjusted to avoid the sleeves, the problem of conflict when connecting the shear studs on the composite slab and the steel beam is effectively solved, and thus the shear studs can be smoothly inserted into the shear key groove of the composite slab.

A vertical mold dismounting and mounting device and method for concrete slab mold, which is characterized in that: the left and right sides of the frame are provided with left and right slide plate assemblies; each slide plate assembly is composed of a movable jaw formed by a handle and a handle support, and the movable jaw is controlled by a push-pull oil cylinder and a push rod to clamp the vertical mold and play the role of lifting and lowering the vertical mold partition plate under the action of a jacking oil cylinder; the loosening assembly is provided with two push gears clamped on the vertical mold partition plate, and two oil cylinders are used to make low-amplitude extension and retraction to separate the partition plate from the prefabricated slab; the upper unloading positioning mechanism makes the three positioning plates descend to push the prefabricated slab between the partition plates downward and position the vertical mold partition plate under the action of the lifting oil cylinder. The device has compact and reasonable structure, and the basic operation of the whole mold dismounting and mounting process is automatically realized by the machine, which reduces the labor intensity of the personnel and is beneficial to improve the production efficiency.

The invention relates to the technical field of concrete pile pouring, in particular to a tower type prestressed concrete pile pouring mold and a machining method thereof. The mold comprises a base; driving pieces are arranged on the two sides of the base; the bottom template is arranged at the upper ends of the supporting strips; two groups of side templates are arranged between the two groups of moving frames; a top template is arranged above the side templates; the top template is arranged at the bottom of the clamping plate; a top plate is arranged above the clamping plate; the top plate is arranged between the two groups of moving frames; and pushing pieces and resetting pieces are arranged between the clamping plate and the top plate as well as between the side templates and the movable frame. Through pushing of the pushing piece, the side formworks and the top formwork enclose one section of the bottom formwork, and a pouring cavity is formed. And then moving to the next section of pouring cavity through the moving frame and the top plate. Sectional type pouring is achieved, and the requirements for different lengths of the concrete pile are met. And the assembling, disassembling and moving processes of the mold are automatic, and the labor intensity in the pouring process is reduced.

The present application relates to the field of template manufacturing equipment, and particularly relates to a mortise and tenon type 3D printing concrete template and manufacturing equipment thereof, comprising a plurality of groups of concrete templates, the shape of the template in the present application is L-shaped with a groove at the tail part, the groove depth is related to the size of the foundation pile cap, and the conventional depth is L / 3, wherein L is the length of the foundation pile cap; the template size can be freely adjusted according to the foundation pile cap condition; the template is used for foundation pile cap pouring construction, four pieces of templates form a complete template system, the first to third pieces can be directly inserted into the groove, the fourth piece is embedded into the groove from top to bottom, and the tail part groove is engaged to achieve the purpose of stability; the template is convenient to install, does not need additional bracing and other reinforcement measures, and after the completion of the pile cap pouring, the template does not need to be removed, can be directly used as a part of the foundation pile cap, facilitates the next earthwork backfill construction, and greatly improves the construction efficiency.

The application relates to the field of T-beam pouring forming processing equipment, in particular to a large prefabricated T-beam template processing and forming device, which comprises a base, the base comprising a base body and a bottom die arranged on the top of the base body; two side die assemblies, each side die assembly comprising a support frame and a side die plate, the side die plate being arranged as an elastically deformable side die plate, the side die plate and the support frame being divided into at least two connecting areas along the longitudinal direction, and the side die plate being provided with a connecting piece between the support frame and at least one connecting area, the connecting piece being capable of elongation and contraction. The elastically deformable support plate is arranged on the inner side of the support frame, the state of the connecting piece is changed, the side die plate can be sequentially demolded in areas during demolding, the driving force required for demolding is reduced, the possibility of uneven force of the support frame causing deformation is reduced, and the problems existing in the prior art are effectively solved.

This invention discloses a universal end formwork installation and dismantling integrated machine and its demolding method adapted to single and double track railway box girder formwork, relating to the field of railway bridge construction technology. It includes: a base frame system, at least two sets of walking systems, a formwork support system, a clamping mechanism, a support mechanism, a mutual-climbing swing block adjustment drive mechanism, and a sliding drive mechanism. The mutual-climbing swing block adjustment drive mechanism includes a stepped track, on which a sliding box is provided. The sliding box is equipped with swing blocks. A drive device is connected to the side of the sliding box near the walking system, and the other end of the drive device is connected to the walking system on the same side. The mutual-climbing swing block adjustment drive mechanism drives the walking system on the same side to flexibly adjust its position. The sliding drive mechanism includes a power device, which drives the formwork support frame on the same side to adjust its position. The walking system and the formwork support frame adjust their positions synchronously, adapting to the installation or dismantling of end formwork of different sizes and specifications.

The application discloses a precast beam formwork device and belongs to the technical field of building construction, which comprises a bottom formwork structure and two side formwork structures symmetrically arranged on the left and right sides of the bottom formwork structure. The side formwork structure comprises a plurality of formwork assemblies which are spliced together, each formwork assembly comprises a rack and a formwork installed on one side of the rack, a stop strip is arranged between the formworks of two adjacent formwork assemblies, the formwork is provided with a stop groove, and the stop strip is detachably installed in the stop groove. A gas bag is arranged on the side of the stop strip away from a concrete pouring surface, the lower end of the gas bag is connected with an inflation pipe, the end of the inflation pipe is provided with a valve, and the valve is connected with an inflation connector. The application solves the problem of inconvenient disassembly of the stop strip in the existing precast beam formwork.

The present invention relates to the technical field of steel formwork, and particularly to a quick-assembly steel formwork for pile caps. It includes: a first formwork; a second formwork disposed on one side of the first formwork; a plurality of hinges, all of which are fixedly connected between the first formwork and the second formwork; a plurality of first connection blocks, which are fixedly connected to the first formwork, and a plurality of second fixing blocks are fixedly connected to the second formwork; a connection component, which is disposed on one side of the first formwork and changes the traditional connection method. By hinging the first formwork and the second formwork with hinges, the present invention enables the first formwork and the second formwork on the right side to be lifted from the side wall of the loading platform like peeling paper, avoiding the failure of the release agent on the rear sides of the first formwork and the second formwork, and preventing the first formwork and the second formwork from being adhered to the cement slurry over a large area and being difficult to demold.

The invention discloses an assembly type prefabricated laminated slab slurry leakage prevention structure and method, and relates to the technical field of laminated slabs, the assembly type prefabricated laminated slab slurry leakage prevention structure comprises a grouting base and a control device arranged on the grouting base, and the grouting base is provided with a laminated slab mold shell used for laminated slab forming; the laminated slab formwork comprises grouting formworks, a connecting assembly used for being connected with the grouting formworks, a leakage-proof assembly used for preventing grout leakage at the connecting positions of the grouting formworks and a fastening assembly used for fastening the grouting formworks at the corners. The adjusting assembly is arranged on the grouting base, and the pressing mechanism is used for preventing a gap between the grouting template and the grouting base from leaking grout. According to the device, the leakage-proof assembly is arranged, so that slurry is prevented from leaking out of the gaps between the grouting formworks, meanwhile, the pressing mechanism and the leakage-proof block are arranged, so that the slurry is prevented from leaking out of the gaps between the grouting formworks and the grouting base, and the problem of slurry leakage of the laminated slab formwork is effectively solved.

The invention relates to the technical field of building construction, in particular to a concrete member flow channel splicing type temperature control template, and aims to solve the problem that heat exchange efficiency differences caused by the fact that temperature changes in the medium flowing process cannot be balanced due to the single medium flowing direction in the prior art. The temperature difference is formed between the water inlet side and the water outlet side, the temperature gradient is generated, and then the concrete crack risk is increased. According to the flow channel splicing type temperature control template for the concrete member, the multiple staggered fluid channels are arranged, and opposite temperature change trends are generated through flowing of opposite media in the adjacent fluid channels, so that heat exchange consideration differences caused by medium temperature changes are balanced, temperature gradients are prevented from being generated in a pouring piece, and the crack risk is reduced. The technical problem that the concrete crack risk is increased due to the fact that the heat exchange efficiency difference caused by temperature change in the medium flowing process cannot be balanced due to the single medium flowing direction of an existing template, the temperature difference is formed between the water inlet side and the water outlet side, and the temperature gradient is generated is solved.

The present invention belongs to the technical field of T-beam processing, and is particularly concerned with a self-propelled synchronous hydraulic T-beam formwork device, comprising a steel pedestal and a walking trolley symmetrically installed on both sides of the steel pedestal, wherein the surfaces of the walking trolleys on both sides are fixedly installed with synchronous hydraulic T-beam formwork components, and the synchronous hydraulic T-beam formwork components include a support frame, a side formwork web, a side formwork, a horizontal I-beam, an oblique support, a vertical I-beam, a fixed seat, an oblique connecting rod, a counterweight platform, a guardrail and a fixed protrusion, and the surface of each of the counterweight platforms is fixedly installed with a grinding and cleaning component, and the grinding and cleaning component includes a vertical plate, a first screw, a driving motor, an L-shaped movable frame, a sliding plate, a telescopic adjustment rod, a fastening bolt, a limit fixing plate and a grinding belt, and the surface of the limit fixing plate is also fixedly installed with a release agent spraying component, which can grind the surface of the side formwork and automatically apply the release agent to the side formwork, thereby reducing the labor intensity of workers.

The invention discloses a parameterization design method for a vertical concrete prefabricated stair mold based on NX three-dimensional parameterization software. According to the method, a three-layer structure (a component assembly layer, a component assembly layer and a feature part layer) is established, assignment expressions of stair geometric parameters and mold parameters are set on the component layer, the component layer automatically generates the size of each component according to the expressions, and the component layer associates the component features with the component size expressions. According to the method, new mold design can be quickly generated by modifying basic parameters, frequent switching between deepening drawings and design software is avoided, the design efficiency and precision are improved, and the method is suitable for batch production of various similar stair specifications.

The application discloses a kind of big diameter shield tunnel segment fine model manufacturing device and method, the manufacturing device includes A type component, B type component, C type component and D type component, the A type component, B type component, C type component and D type component are assembled to form ring cavity;Multiple combined components for simulating shield segment detail structure are arranged in the cavity, including rubber core mold, ring (longitudinal) boss component, ring (longitudinal) convex component, ring (longitudinal) concave component, concave (convex) groove component, ring (longitudinal) T component, sleeve.The manufacturing device is prepared based on 3D printing technology, overcome the low degree of detail component fine of the existing conventional manufacturing device It is short of the shortcoming, and size deviation caused by partition plate in integrated mold pouring can be effectively reduced, and the model produced accurately simulates the detail structure characteristics of prototype structure.

The present invention relates to the technical field of prefabricated wall production, and specifically to a cement prefabricated wall production mold and production method, comprising a base frame, and also comprising: side molds, two of which are symmetrically provided on the base frame and can be driven to move by a power mechanism provided on the base frame; a slider connected to the power mechanism and a cross arm fixed on the side mold, a slide groove being formed on the cross arm, the slider sliding in the slide groove, and when the power mechanism is actuated, the slider slides in the slide groove, and after the slider moves to the end of the slide groove away from the side mold, the cross arm drives the side mold to perform a demolding action; a jacking mechanism, the jacking mechanism lifts the wall in the vertical direction, so that the wall and the inner wall of the mold produce relative movement, effectively breaking the adhesion state and weakening the adhesion point, reducing the force required for horizontal demolding, reducing the risk of wall damage, and can effectively limit the horizontal displacement of the wall during lifting, prevent the wall from colliding with surrounding objects due to wall swaying and shaking, and reduce the risk of damage to the wall and the mold.

A microwave heating system for rapid curing of foamed boards relates to the field of foamed board processing technology. It is applied to stimulate the reaction of the slurry during the curing process of foamed boards, solving the problem of mold collapse caused by excessively low temperatures. The system includes a guide rail and a mold-standing device, a heating device, and a curing chamber arranged sequentially along the guide rail. The mold-standing device has guide rods and a mold-standing assembly inside. The mold-standing assembly includes a row of templates, with the front template fixedly connected to the guide rod, and the other templates slidably connected to the guide rod. The side walls of the templates have U-shaped frames, and each pair of adjacent templates is connected together by connectors. The U-shaped frames and the two adjacent templates form a casting cavity for pouring the foamed slurry. A hopper is placed on top of the mold-standing device. The inner wall of the heating device is made of metal, and the inner side of the heating device includes a microwave heating element, a base, and a turntable. The turntable is rotatably mounted on top of the base. This invention can heat the poured foamed slurry to facilitate one-time curing.

The application discloses a kind of distributed articulated template assemblies, it is related to building template technical field, including support base, the support base top is connected with bottom template, and the edge of bottom template is distributed with side template;Each side template is movably connected with bottom template by hinge;The side of each side template close to bottom template is provided with mounting slot, and the side of mounting slot is provided with vibrating slide plate.The vibrator generates vibration, and is transmitted to vibrating slide plate, relies on vibration to make vibrating slide plate and the surface layer of bonded concrete prefabricated part separate, simultaneously vibrator relies on gravity to slide down, so that vibrating top rod of vibration transmission is pressed to the linkage inclined plate on vibrating slide plate, so that vibrating slide plate is transverse while vibrating, far away from prefabricated part, after vibrating slide plate and prefabricated part separate, side template can be turned over and opened by gravity, realize separation, this method can avoid template damage, and it is labor-saving and convenient to operate.

The application discloses a phosphogypsum prefabricated component preparation device and method, which comprises a bottom support, a lower mold arranged on the bottom support, guide rods arranged around the bottom support, an upper mold assembly slidably arranged on the outer wall of the guide rods and located above the lower mold, a groove arranged on the lower mold, a forming cavity template assembly arranged in the groove, and a driving element arranged on the bottom support and connected with the forming cavity template assembly. The application is provided with the forming cavity template assembly, the driving element and the template release agent coating assembly. The driving element can drive the bottom template in the forming cavity template assembly to move upward. When the bottom template moves upward to the preset position, the four side templates in the forming cavity template assembly are synchronously rotated outward to the parallel state with the bottom template. The template release agent coating assembly uniformly coats the release agent on the surfaces of the four side templates and the bottom template, thereby reducing the labor intensity.

Base plate (10) for the concrete block industry, in particular for receiving demoulded concrete blocks (50) in the wet state, wherein the base plate (10) has a top plate side (11) and a bottom plate side (12) opposite the top plate side (11) in a thickness direction (Z), wherein the base plate (10) has a plurality of solid wood strips (20), wherein the solid wood strips (20) are aligned parallel to one another and are arranged next to one another in a transverse direction (Y) of the base plate (10) formed perpendicular to the thickness direction (Z) in a plane formed parallel to the top plate side (11) and the bottom plate side (12), wherein adjacent solid wood strips (20) of the plurality of solid wood strips (20) are materially connected to one another in the region of their mutually facing side surfaces (23, 24) by means of a glue (30), wherein the glue (30) is a block gluing.

The present application relates to a formwork structure for concrete construction that reduces honeycomb-like surface roughness, comprising a bottom plate, side plates, and end plates, the side plates and end plates being fixedly connected to the bottom plate, the bottom plate, side plates, and end plates being surrounded to form a pouring space, a plurality of circular tubes being fixedly connected to the side of the side plate facing away from the pouring space, the circular tubes penetrating the side plate and communicating with the pouring space, the circular tubes being inclined, and being used for vibrating rods to pass through the bottom plate. The present application connects the circular tubes to the side plates, allowing an operator to pass the vibrating rod through the circular tubes directly to the concrete near the bottom plate, and the vibrating rod vibrates and exhausts the concrete at the bottom evenly and comprehensively, thereby reducing bubbles contained in the concrete, making the concrete more compact, and minimizing the probability of honeycomb-like surface roughness, thereby maximizing the molding quality and bearing effect of the concrete casting, that is, improving the molding quality of the concrete casting.

The invention discloses a modified UHPC guardrail permanent formwork and a construction and detection method thereof, and relates to the technical field of prefabricated guardrails, the modified UHPC guardrail permanent formwork comprises internal formwork steel frames symmetrically arranged on the top of a bridge and UHPC prefabricated guardrail formworks arranged on the outer sides of the internal formwork steel frames, supporting rods are arranged between the internal formwork steel frames and the bridge, and external formwork steel frames are assembled on the sides, facing the guardrails, of the internal formwork steel frames; the elevation adjusting bolts are connected with the inner and outer mold steel frames, the opposite-pull screws penetrate through and tension the inner mold steel frames, the UHPC prefabricated guardrail formwork and the outer mold steel frames, and pouring lateral pressure is resisted to prevent deviation. According to the method, the UHPC guardrail template prefabrication process is synchronously optimized, the pre-embedded electrode lead is integrated to prepare the prefabricated guardrail template with the detection function, a four-electrode method detection scheme is further designed, the collision damage and long-term service state of the guardrail are judged by detecting resistance changes, the construction quality and later detection are considered, the maintenance frequency is reduced, and long-term operation cost reduction is achieved.