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28results about How to "Guarantee the construction progress" patented technology

Construction equipment collaborative control system and method based on digital twinning

ActiveCN121235466Bquick lockCollaborative control goes smoothlyGeometric CADData processing applicationsRisk ControlControl system
This invention discloses a collaborative control system and method for construction equipment based on digital twins, belonging to the field of collaborative control technology for construction equipment. The invention includes: S10: obtaining a real-time construction simulation model of the construction site; S20: determining the risk control points to be constructed in the construction plan; S30: finding the associated marked intelligent construction equipment for the risk control points; S40: determining the collaborative construction control benchmark between the risk control points and each associated marked intelligent construction equipment; S50: performing collaborative control of the associated marked intelligent construction equipment for the risk control points. This invention, by determining the collaborative construction control benchmark between the target intelligent construction equipment and each associated marked intelligent construction equipment, determines the control timing and sequence of the central control platform for each associated marked intelligent construction equipment, thereby achieving collaborative control of intelligent construction equipment during the construction rectification process.
Owner:SHANDONG JIANZHU UNIV

Soft rock large deformation control method and rapid supporting system suitable for TBM tunnel construction method characteristics

PendingCN122082802AReduce the displacement around the holeReduce construction complexityUnderground chambersTunnel liningShotcreteSupporting system
The invention discloses a soft rock large deformation control method and a rapid support system suitable for TBM tunnel construction method characteristics, the method is implemented based on an anchoring support system composed of a short anchoring support system and a long anchoring support system, and the method is suitable for an open TBM construction scene: in a TBM tunneling process, before a shield is exposed, the shield is not exposed, and the long anchoring support system is not exposed; a short anchoring support system of a full-length anchoring anchor rod structure is timely arranged in the radial direction of the 180-degree area of the upper half ring of the tunnel section through a cutter head edge cutter hole, and the short anchoring support system and a shield cooperate to form an initial deformation control system; after the shield is exposed, according to the deformation degree of the surrounding rock, full-length anchoring anchor rods or pre-stressed anchor cables are adopted in a graded mode, long anchoring supporting systems are arranged at intervals with the short anchoring supporting systems in a spiral mode, then the long anchoring supporting systems are cooperatively borne with steel arches, reinforcing meshes and sprayed concrete, and the long anchoring supporting systems are matched with 70m system sprayed concrete and 1000m secondary lining construction behind a tunnel face. According to the method, the displacement around the hole is effectively controlled, the TBM is prevented from being stuck, and the construction safety and efficiency of the open-type TBM in the soft rock large-deformation geology are improved.
Owner:SOUTHWEST JIAOTONG UNIV +1

Slope protection device using plant fiber blanket

The utility model discloses a kind of slope protection devices using plant fibre blanket, including slope body, the surface of slope body is laid with plant fibre blanket, a plurality of positioning ring parts are equipped on the plant fibre blanket, it is connected through rigid plate between adjacent positioning ring parts, plug post is slidably inserted in the positioning ring part, and plug post is inserted into slope body;The utility model fixes plant fibre blanket on slope body by positioning ring part cooperation plug post, and the integrity of plant fibre blanket is guaranteed by connecting positioning ring part together through rigid plate, form collaborative protection mechanism, improve the tensile strength of plant fibre blanket, plant fibre blanket is fixed stable, plant fibre blanket can avoid slipping from slope body, adapt to different slope gradient, construction is convenient, guarantee construction progress.
Owner:CHINA FIRST HIGHWAY ENGINEERING CO LTD +1

A method for lengthening and tightening device anchor bolts

ActiveCN115972138Bincrease the lengthGuarantee the construction progressSpannersWrenchesClassical mechanicsBolted joint
The application discloses a device foundation bolt lengthening method and a tightening device in the technical field of device installation, the tightening device comprises a handle and a mounting ring mounted on the end of the handle, the tightening device further comprises a sleeve ring rotatably mounted in the mounting ring, a plurality of groups of slotted holes are formed in the outer side wall of the sleeve ring, an insertion block for being inserted into the slotted holes is slidably arranged on the mounting ring, a pressing block is slidably arranged on the handle, and a connecting rope is arranged between the pressing block and the insertion block, in the application, a screw rod with a nut is processed, internal threads are processed on the screw rod, the screw rod with the nut is directly connected with a pre-buried bolt, the length of the pre-buried bolt is increased, normal installation and fixation of the device are ensured, the difficulty of construction is reduced, the construction period is shortened, the work efficiency is improved, the construction progress of the project is ensured, and the engineering cost is reduced.
Owner:CHINA NAT CHEM ENG THIRD CONSTR

Rapid construction method for TBM double-track tunnel trackless transportation cross-line bypassing cushion layer

The invention discloses a TBM double-track tunnel trackless transportation cross-line bypassing cushion layer rapid construction method, and belongs to the technical field of tunnel construction. According to the method, a construction area is divided into a plurality of construction sections in the longitudinal direction of a tunnel, construction and transport vehicle framing and side alternate operation is organized, and parallel cushion layer pouring and trackless transport are achieved; the method comprises the following steps of: performing radar detection and scabbling treatment on the top surface of an inverted arch block during construction preparation; installing a steel plate water stop belt, and penetrating through the ground beam and the drainage blind pipe; a detachable steel pipe is adopted for shaping and constructing a cushion drainage ditch; after a reinforcing mesh is laid, concrete pouring, multi-pass surface finishing, steam and heat preservation curing and temperature and humidity monitoring are conducted; by optimizing the construction organization and technology, the problems that transportation is interrupted, the construction period is long and cracking is prone to occurring in a traditional method are solved, efficient, high-quality and low-interference cushion layer construction is achieved, optimal construction parameters can be scientifically screened by setting a contrast test section, and adaptability is high.
Owner:CHINA RAILWAY TUNNEL GROUP CO LTD +2

High-pressure rock roadway excavation pre-splitting anchor injection deformation control structure and method

ActiveCN117685024Bavoid harmDoes not affect constructionCrushed stoneRock bolt
The application discloses a pre-splitting anchor injection deformation control structure and method for high ground pressure rock roadway excavation, which comprises a roadway penetrating in a rock mass, two pre-splitting rock zones symmetrically arranged on the two sides below the roadway, the pre-splitting rock zones being arranged along the length of the roadway, the pre-splitting rock zone being a rock zone full of gravel and densely distributed cracks, the side wall surface of the roadway being sequentially provided with a concrete wall protection layer and a concrete anchor spraying layer, and a plurality of high-strength anchor rods, a lower arch part anchor cable, a high-pressure grouting anchor cable and an arch nest reinforcing grouting anchor cable being perpendicularly arranged in the inner wall of the roadway and extending into the rock mass, the application combines roadway support reinforcement and roadway blasting pressure relief two roadway reinforcement means, the pre-splitting rock zone is advanced along with the advancing face construction in the construction process, the influence of pre-splitting rock zone construction on support is avoided, the design of the arch nest reinforcing grouting anchor cable can secondarily reinforce the integrity and effectiveness of the roadway support system, and the method can make the roadway omit conventional steel support and other measures.
Owner:CCTEG COAL MINING RES INST +1

Steel beam-concrete beam composite frame beam structure

ActiveCN224605706UGuaranteed support strengthGuarantee the construction progress
A kind of steel beam concrete beam combined frame beam structure, including concrete beam reinforcement system, embedded part and steel beam, embedded part includes inner plate body and outer plate body, fixedly connected with cross bracing between inner plate body and outer plate body, cross bracing is transversely through the longitudinal reinforcement of beam reinforcement system and is located between adjacent hoop reinforcement, outer plate body is supported on the outside of longitudinal reinforcement, inner plate body is supported on the inside of longitudinal reinforcement, the both ends of steel beam are connected with the inner plate body on the beam reinforcement system of two sides respectively;The edge of the both sides of inner plate body is equipped with side baffle, and side baffle forms chute structure on inner plate body, and limiting bottom plate is arranged at the lower end of both sides of baffle;The frame beam support structure of the combination of the concrete beam and steel beam, while ensuring the support strength of light roof, it is not necessary to pour concrete in large area again, it is beneficial to ensure construction progress, reduce construction cost.
Owner:CHINA CONSTR SENVENTH ENG BUREAU INSTALLATION ENG

Pipe section for pipe jacking construction, pipe jacking device and pipe jacking construction method

The application provides a pipe joint for pipe jacking construction, a pipe jacking device and a pipe jacking construction method. The pipe joint for pipe jacking construction comprises a pipe joint body and a flexible sleeve. The outer wall of the pipe joint body is provided with a first accommodating groove and a second accommodating groove. The flexible sleeve comprises a sleeve body and two fixing rings. The sleeve body is accommodated in the first accommodating groove after being laminated between the pipe walls of the first accommodating groove and the second accommodating groove. The fixing ring has a contracted state and an expanded state. When in the contracted state, the fixing ring is accommodated in the corresponding first accommodating groove or second accommodating groove. When in the expanded state, the fixing ring can expand radially to be separated from the corresponding first accommodating groove or second accommodating groove. The application can form a mud sleeve in a stratum such as a sand pebble layer which is not easy to form a mud sleeve, thereby reducing the frictional resistance when the subsequent pipe joint body is pushed forward, solving the problems that the mud loss is large in the sand pebble stratum and the mud sleeve is difficult to form, and helping to improve the construction efficiency and ensure the construction progress.
Owner:SHIJIAZHUANG TIEDAO UNIV +1

Anti-rollover scaffold

ActiveCN224591758UDispersion weightDisperse external forces
The utility model discloses a kind of anti-rollover scaffold, including support seat, support seat is set in the bottom of scaffold, reinforcing part is set in the both sides of support seat, reinforcing part includes mounting block, connecting block, support plate and base, mounting block is located in the upper end of support plate, connecting block is set in the both ends of support plate, base is set in the bottom of support plate, limiting piece is set between connecting block and support plate.The utility model can flexibly adjust the reinforcing part of use height and angle, so that it can be adjusted according to the actual use of scaffold, adapt to different construction environment and demand, the both ends of support plate are connected with mounting block and base through connecting block, can effectively disperse the weight and external force of scaffold, prevent scaffold from tilting.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD

Reinforced earth embankment

ActiveCN121138768BAchieve segmented comprehensive supportincrease frictionArchitectural engineeringSoil stress
The application provides a kind of miscellaneous fill mucky soil pipe network drilling hole wall stable control device, including fixed base, hole wall support unit, inflatable structure and clamping assembly.Fixed base is set at the orifice of drilling, with the through hole that is communicated with the orifice.Hole wall support unit is provided with multiple, multiple hole wall support units can form the wall protection string that can be lowered into drilling through the through hole in series.Every hole wall support unit has expansion section.Inflatable structure can inflate hole wall support unit after being lowered into drilling, so that expansion section extends outward and abuts with hole wall.Clamping assembly can clamp the top end of hole wall support unit before inflating hole wall support unit.The miscellaneous fill mucky soil pipe network drilling hole wall stable control device provided by the application can efficiently respond to the effect of soil stress change, improve the supporting effect, effectively reduce the risk of hole collapse, and guarantee the construction progress and safety.
Owner:POWERCHINA WATER ENVIRONMENT GOVERANCE

Prefabricated pipe gallery structure modular construction method

This invention discloses a modular construction method for prefabricated utility tunnel structures, comprising the following steps: S1, prefabricating several segments of reinforced concrete integrated utility tunnel columns and beams; S2, excavating a foundation pit to construct a foundation platform, forming several spaced-apart sockets on the platform; S3, hoisting the integrated utility tunnel column and beam structure as a whole, positioning and fixing the bottom of the integrated structure into the sockets; S4, repeating step S3 to complete the installation of the next integrated utility tunnel column and beam structure; S5, pouring concrete at the joints between adjacent integrated utility tunnel columns and beams. This invention can further reduce construction costs, shorten the construction period, and ensure construction progress while maintaining construction efficiency and quality, and can effectively control problems such as construction waste, site dampness, and dust pollution during construction.
Owner:THE SIXTH CONSTR CO LTD OF CHINA NAT CHEM ENG

Method, device and system for reviewing progress of nuclear power plant conventional island digital design model

The application relates to a nuclear power plant conventional island digital design model progress review method, device and system, the method comprising the following steps: receiving three-dimensional model data sent by each design professional terminal; performing automatic collision checking according to the three-dimensional model data; and feeding back model checking results to the related design professional terminal, so that the arrangement cooperation between the professionals in the design process can be realized, the cooperation between the nuclear power plant conventional island model professionals in the design is improved, the design product quality is improved, the drawing progress and the construction progress are guaranteed.
Owner:CHINA POWER ENG CONSULTING GRP CORP EAST CHINA ELECTRIC POWER DESIGN INST

Cable-passing drill pipe centralizer for double-pipe directional drilling

The utility model provides a through-cable drill pipe centralizer for double-pipe directional drilling, which comprises a support shell and a support tile arranged on the outer side surface of the support shell. A first shaft body and a second shaft body are arranged in the support tile, and concentric rolling wheels are arranged on the outer side face of the first shaft body and the outer side face of the second shaft body in a sleeving mode. According to the cable-passing drill pipe centralizer for double-pipe directional drilling, in the structural design of the supporting shell and the support tile, the first shaft body parallel to the axis of the supporting shell and the second shaft body perpendicular to the axis of the first shaft body are arranged, and the concentric idler wheels are arranged on the outer side faces of the first shaft body and the second shaft body in a sleeving mode; when the centralizer is placed on the inner side face of the outer pipe to work, the concentric idler wheels can roll on the inner side face of the outer pipe, and in the double-pipe rotary drilling process, the concentric idler wheels can effectively reduce direct friction between the inner pipe and the outer pipe, so that the construction progress is guaranteed, the construction cost is reduced, and safety accidents are reduced.
Owner:SHAANXI TAIHE TECH CO LTD

A down-the-hole hammer drill and method of operation

ActiveCN117248818Bincrease the lengthGuaranteed support strengthClassical mechanicsStructural engineering
This invention discloses a down-the-hole hammer drill bit and its working method, which solves the problem of large inclination angle of the down-the-hole hammer drill bit in the prior art and has the beneficial effect of ensuring the verticality of the borehole during pressurized drilling. The specific solution is as follows: A down-the-hole hammer drill bit includes an outer sleeve, at least two support members are provided inside the outer sleeve, and the support members are spaced apart. The support members are provided with openings. The multiple support members support the down-the-hole hammer rod body and the inner sleeve connected to the down-the-hole hammer rod body through the openings. A connector is provided at the end of the inner sleeve away from the down-the-hole hammer rod body to connect with the drill rod. The down-the-hole hammer drill bit of the down-the-hole hammer rod body protrudes from one end of the outer sleeve. The other end of the outer sleeve is provided with a bevel to facilitate the removal of the stuck part in the borehole during the rotation of the outer sleeve. A reduced diameter section is provided at the end of the inner sleeve away from the down-the-hole hammer rod body. The reduced diameter section is connected to the connector. A flange is provided circumferentially on the reduced diameter section to connect with the same support member.
Owner:SHANDONG PROVINCIAL GEOLOGICAL & MINERAL EXPLORATION & DEV BUREAU 801 HYDROGEOLOGY & ENG GEOLOGY BRIGADE (SHANDONG PROVINCIAL GEOLOGICAL & MINERAL ENG EXPLORATION INST)

Concrete vibrating device

ActiveCN224119931Uavoid electromagnetic noisechange vibration frequencyAssociation with control/drive circuitsMeasurement devicesLow noiseFeedback control
The utility model discloses a concrete vibrating device, and relates to the technical field of building construction. The device comprises a handle, one end of the handle is fixedly connected with a hose, and the other end of the hose is fixedly connected with a vibrating rod; a driving assembly is arranged in an inner cavity of the vibration rod. The ultrasonic motor is adopted to replace a traditional electromagnetic motor, electromagnetic noise generated by the traditional electromagnetic motor is avoided from the source, meanwhile, the sound control sensor is used for monitoring the noise condition of the surrounding environment in real time, and when the noise exceeds a preset threshold value, a variable-frequency electric appliance in the feedback control assembly feeds back signals according to the sound control sensor; according to the utility model, the signal output to the vibration frequency speed regulation plate is adjusted, and then the current frequency output to the ultrasonic motor is adjusted in real time, and the vibration frequency of the vibration rod is changed, so that the purpose of reducing noise is achieved, the noise can be controlled at a lower level even in high-strength vibration operation, and the influence on the surrounding environment and constructors is greatly reduced.
Owner:SHAANXI CONSTR ENG NO 2 CONSTR GRP CO LTD

Relay type counter-slope drainage system for inclined shaft tunnel

The invention relates to the technical field of tunnel construction drainage, in particular to an inclined shaft tunnel relay type reverse slope drainage system which comprises an excavation water collection facility, water pumping and drainage equipment and a control system, the excavation water collection facility comprises a water collection ditch and a water collection pump pit, the water collection ditch is used for communicating water in a tunnel, and the water collection pump pit is connected with the water collection ditch; the water collecting pump pit is lower than the water collecting ditch; the water pumping and draining equipment comprises a submerged pump, a connecting pipeline, a buffer water tank and a booster pump, the submerged pump is located in the water collecting pump pit, the buffer water tank is located in the inclined shaft ramp, the submerged pump and the buffer water tank are connected through the connecting pipeline, the booster pump is located on the ground, and the buffer water tank and the booster pump are connected through the connecting pipeline; the control system comprises a drainage management unit, a filtering unit, a blocking unit, an early warning unit, an emergency unit and a console. The problems that in the prior art, an inclined shaft tunnel relay type reverse slope drainage system is low in intelligent degree and poor in collaboration, and backflow cannot be avoided are effectively solved.
Owner:CHINA RAILWAY SEVENTH GRP CO LTD +1

Tunnel hard rock advanced pilot hole expansion construction method

The present application relates to the technical field of underground tunnel construction, in particular to a kind of construction method of tunnel hard rock. The upper bench excavation working face is sequentially divided into advance pilot hole milling face and expansion face from left to right, and parallel construction of advance pilot hole and expansion is adopted. Through zoning operation of excavation working face, parallel operation of advance pilot hole excavation and initial support can be realized, effectively avoiding the influence time of traditional upper bench support, ensuring the overall construction progress of the tunnel; the tunnel hard rock advance pilot hole expansion construction method of the present application uses drilling + breaking hammer excavation for expansion face, reduces the amount of upper bench milling, reduces the consumption of cutting teeth, has lower comprehensive cost, reduces dust generation, is beneficial to environmental protection, and has higher use value compared with the traditional bench method milling process.
Owner:CCCC FIRST HARBOR ENGINEERING CO LTD +1

An apparatus for measuring the perpendicularity and spacing of anchor plates

The application relates to the technical field of fan construction, and particularly discloses an anchor disc perpendicularity and spacing measuring device, which comprises a first telescopic ruler and a second telescopic ruler, the top of the first telescopic ruler is provided with an upper anchor disc clamping piece, the bottom of the first telescopic ruler is in sliding fit with the top of the second telescopic ruler, and the bottom of the second telescopic ruler is provided with a lower anchor disc clamping piece in sliding mode; and the first telescopic ruler and the second telescopic ruler are both provided with a level gauge. The spacing between upper and lower anchor discs can be accurately measured through the sliding fit of the first telescopic ruler and the second telescopic ruler and the sliding of the lower anchor disc clamping piece. Meanwhile, the perpendicularity of the anchor disc can be judged in combination with the measuring data since the device is in a horizontal state. The structure avoids the problems of large wind weather influence and large error in the traditional lead plummet and measuring tape cooperation measurement, greatly improves the accuracy and efficiency of the measurement, reduces the construction problems caused by the measurement error, and guarantees the construction progress.
Owner:SINOHYDRO BUREAU 11 CO LTD +1

A steel structure module hoisting construction method

This invention discloses a method for hoisting and installing steel structure modules, including: modeling the steel structure module; confirming the center of gravity of the steel structure module based on the model; using the top surface of the steel structure module in its vertical position as the hoisting surface, identifying multiple main hoisting points on the hoisting surface based on the center of gravity position; selecting multiple auxiliary hoisting points on the bottom longitudinal beams of the steel structure module in its vertical state; performing on-site assembly; reconfirming the center of gravity position and main hoisting points when the deviation between the assembled frame and the steel structure module exceeds a set value; installing lifting tools at multiple main hoisting points and connecting them to a first crane via lifting ropes; installing lifting tools at multiple auxiliary hoisting points and connecting them to a second crane via lifting ropes; horizontally hoisting the assembled frame, rotating it 90° to bring it into an vertical hoisting state, and then installing the assembled frame onto the target object. This invention reduces high-altitude patching work, reduces the number of modular unit divisions, and accelerates the overall frame installation speed.
Owner:NO 6 CONSTR CO OF CHINA PETROLEUM & NATURAL GAS CORP +2

Error closed-loop control method for superimposed assembly station construction, medium and equipment

PendingCN122597334ARealize continuous real-time trackingreduce dependence
The present application relates to the field of building construction technology, and particularly relates to a kind of superimposed assembly type station construction error closed loop control method, medium and equipment, method includes steps: fusion instant positioning and map construction dynamic scanning and static precision scanning data acquisition;Point cloud data preprocessing and measured model construction;Construction parameterized, adaptable BIM design model;Double model data unification and format alignment;Model registration and space alignment;Construction error quantitative analysis and visualization;Based on parameterized adaptive BIM intelligent correction scheme generation;Field correction and effect verification.The present application breaks the static limitation of traditional fixed station scanning, realizes continuous real-time tracking to component hoisting, assembly whole process, simultaneously with dynamic data and subsequent steps depth fusion, can capture dynamic deviation that traditional method cannot find, solves the existing superimposed assembly type subway station construction error detection dependent on static scanning, model application passive technical problem.
Owner:SINOHYDRO ENG BUREAU 4 +2

Ultra-long-distance submarine cable laying device and method

PendingCN121813205AReduce total tractionMitigating risks such as damageApparatus for laying cablesMarine engineeringReciprocating motion
The invention discloses an ultra-long-distance submarine cable laying device and method, and relates to the technical field of submarine cable laying, the ultra-long-distance submarine cable laying device comprises a base, the bottom of the base is connected with anchoring supporting legs, the upper part of the base is connected with a submarine cable clamping mechanism used for clamping a submarine cable, and the submarine cable clamping mechanism is connected with a sliding block; the sliding block is slidably connected with a sliding rod parallel to the axis of the submarine cable, the base is assembled and connected with a counter-force frame at the rear end of the sliding rod, the counter-force frame is connected with a hydraulic push rod, the output end of the hydraulic push rod is connected with the submarine cable clamping mechanism, and the submarine cable clamping mechanism is driven by the hydraulic push rod to do linear reciprocating motion along the sliding rod; the submarine cable clamping mechanism is used for clamping the submarine cable in the pushing construction process, and then continuous and uniform axial pushing force is applied to the submarine cable through the hydraulic push rod and forms a forward pulling-backward pushing synergistic effect with land side dragging force; the risks of cable stretching, armored layer offset, insulating layer damage and the like caused by too large dragging force are effectively relieved.
Owner:GUANGXI POWER GRID CORP +1

Concrete stirring device

The utility model provides a concrete mixing plant, which relates to the technical field of building construction and comprises a bottom plate, universal rollers, a vertical plate, a mounting plate and a support module, a worm gear reducer is arranged on one side of the mounting plate, and a hand wheel is arranged at the input end of the worm gear reducer. The output end of the worm and gear reducer is fixedly connected with the supporting module, a stirring barrel is arranged in the supporting module, the stirring barrel is rotationally connected with the supporting module, material uniformizing plates are evenly arranged in the stirring barrel, a motor is arranged on the supporting module, and the motor and the stirring barrel are in transmission through a synchronous wheel and a synchronous belt. The stirring barrel is obliquely arranged, and concrete in the stirring barrel is poured out through rotation of the stirring barrel, so that the device can be integrally compact, the occupied space is reduced, the device can be conveniently brought into a house, the concrete can be quickly stirred through the device, the construction progress can be guaranteed, and the use effect is good.
Owner:HUZHOU QINYE CONSTR IND CO LTD

A support device for post-pouring strip construction

This utility model relates to the field of post-pouring strip construction technology, and in particular to a support device for post-pouring strip construction, including a support frame, with support components on both sides of the support frame. The support components include storage slots on both sides of the support frame. Through the arrangement of the support frame, support components, and fixing components, the extension plate and the base plate slide out of the extension slot by rotating the support plate. Then, the base plate is rotated and inserted into the fixing slot. Next, the second threaded rod is rotated to descend and screw into the threaded opening, thereby firmly locking the base plate. This process makes the base plate, support frame, extension plate, and support plate together form a stable triangular support structure, which significantly enhances the support stability of the support frame for reinforced concrete. At the same time, it eliminates the tedious steps of traditional manual binding of steel pipes, effectively improving construction efficiency.
Owner:ZHEJIANG RONGCHENG CONSTR GRP CO LTD

A tunnel construction method for railway transfer

ActiveCN117758621BRealize line transfer and U-turnRealize walkingBridge erection/assembly
This invention discloses a tunnel construction method for railway transfer, comprising: S1, the bridge erecting machine is placed on the track; S2, the entire machine is switched to the new track; S3, the entire machine passes through the tunnel; and S4, the bridge erecting machine is removed from the track. The beneficial effects of this invention are: by properly matching the SGTJ180 bridge erecting machine with the DJ180 railway beam transport trolley, the bridge erecting machine gains track-walking capability. Utilizing the transfer station on the track, the bridge erecting machine can travel on the laid track and switch tracks for turning around. Simultaneously, by adjusting the overall machine posture through the modified railway beam transport trolley, it can safely pass through tunnels on the line. This effectively solves the problem of bridge erecting machines being unable to pass through ballastless tracks inside tunnels and the bridge erecting construction in the transition section between ballast and ballastless tracks at tunnel entrances when using tire-driven bridge erecting machines, ensuring the smooth progress of bridge erecting construction, improving work efficiency, and guaranteeing construction progress.
Owner:CHINA RAILWAY NO 3 GRP CO LTD +1

A method for positioning and testing of a containment building construction machine

ActiveCN117168422BSolve the problem of positioning in confined spacesGuaranteed accuracy
This invention discloses a method for positioning and measurement during the construction of a containment vessel using a building-building machine, belonging to the field of nuclear power plant construction technology. The method includes: S1, setting up reference points around the containment vessel; S2, during the construction of the first layer of outer shell concrete walls, installing a reference point support grid at the top of the first type of reference points on the wall; the reference point support grid is higher than the second layer of outer shell concrete walls; S3, during the construction of the second layer of outer shell concrete walls, installing a reference point support grid at the top of the second type of reference points on the wall; the reference point support grid is higher than the third layer of outer shell concrete walls; S4, performing azimuth axis positioning and arc line positioning; S5, repeating S3 to S4 until the positioning of the entire containment vessel is completed, with the first and second types of reference points being alternately buried layer by layer. This invention solves the positioning problem of containment vessel construction under closed conditions using a building-building machine, and has the advantages of reliable quality assurance, convenient and flexible construction, and high accuracy.
Owner:CHINA NUCLEAR IND HUAXING CONSTR

Self-made pipe gallery support structure based on BIM technology and construction method thereof

The invention discloses a self-made pipe gallery support structure based on the BIM technology and a construction method thereof.The self-made pipe gallery support structure comprises a support embedded part integrally poured with a cast-in-place reinforced concrete member, and an anchor bolt is fixed to the upper portion of the support embedded part; fixing the bracket embedded part and a reinforcing steel bar of the cast-in-place reinforced concrete member through the anchor bolt; the suspender structure is mounted at the lower part of the bracket embedded part; and the bottom horizontal bearing component is mounted at the lower end of the suspender structure and is used for supporting and connecting a pipeline bracket, so that a pipeline is arranged through the pipeline bracket. According to the structure and the construction method, on the premise that the installation requirement of the pipe gallery support hanger is met, the possibility of later building upgrading and reconstruction is comprehensively considered, the purposes of improving the construction quality and the construction efficiency and reducing the influence on original structural members are achieved, and meanwhile convenient conditions are provided for later building upgrading and reconstruction.
Owner:CHINA CONSTR FOURTH ENG DIV CORP LTD