2251 results about "Structure support" patented technology

The invention belongs to the technical field of supporting structure performance evaluation, and particularly discloses and provides an NT-CEP pile wall anchor foundation pit supporting structure anti-overturning evaluation method which comprises the steps that in the whole construction period, the construction process is divided into a plurality of continuous load steps based on excavation and supporting procedures; under each load step, pile body strain, arc-shaped wall stress, anchor rod axial force and deep soil displacement are synchronously collected, and a multi-source response data set is constructed; constructing an NT-CEP pile-arc wall-anchor rod coupling model based on the design drawing; carrying out inversion analysis through the model, and solving the load sharing proportion and the overall anti-overturning safety coefficient of each component under each load step; and continuously identifying the abnormal component based on the load sharing proportion, and dynamically analyzing and outputting an anti-overturning capability evaluation index based on the change trend of the safety coefficient. According to the method, dynamic refined evaluation of the construction process is realized, and the authenticity and perspectiveness of an evaluation result are remarkably improved.

The invention provides a construction tunnel surrounding rock stability evaluation method based on digital twinning and a related device. The method comprises the following steps: constructing a tunnel digital twinning model of a tunnel construction section; geological data and real-time progress position data of a target mileage segment in the construction process are obtained; mapping the geological data to a digital twinborn model, and updating soil body unit parameters; according to the real-time progress position data, synchronously updating activation states of a soil body unit and a supporting structure unit in the model by adopting a state change method; and extracting a surrounding rock stability index based on the updated digital twinborn model, evaluating the stability of the current construction tunnel surrounding rock in combination with a safety threshold to obtain a construction tunnel surrounding rock stability evaluation result, and constructing a tunnel construction process dynamic mapping-oriented digital twinborn model by utilizing the description capability of a finite element method on structural mechanical behaviors. Geological conditions and construction progress information which are obtained in real time on site are used as input, and the construction period structure safety risk of the drilling and blasting method tunnel is evaluated and predicted.

The utility model relates to the technical field of cast-in-place pile construction, and discloses a deep foundation pit cast-in-place pile supporting structure which comprises a pull rod installed on the inner wall of a deep foundation pit, an anchor pile inserted into a foundation of the deep foundation pit and a supporting assembly used for supporting the cast-in-place pile, a butt-joint hole is formed in the anchor pile, one end of the pull rod is connected with the inner wall of the butt-joint hole, and the other end of the pull rod is connected with the inner wall of the butt-joint hole. The other end of the pull rod is connected with the inner wall of the supporting assembly. A rotatable long rod is arranged in the pull rod, a plurality of arc-shaped blocks are installed on the two sides of the long rod in the axial direction at intervals, and the angle difference between every two adjacent arc-shaped blocks is 180 degrees. According to the deep foundation pit cast-in-place pile supporting structure, by arranging the anchor piles, the pull rods and the supporting assemblies, the cast-in-place piles and the land around the deep foundation pit can be firmly combined, the situation that the cast-in-place piles are fractured due to the fact that the cast-in-place piles are subjected to too large soil pressure in the using process in the deep foundation pit is prevented, and the stability and reliability of the cast-in-place piles are improved; and the supporting structure does not occupy the pit bottom space of the deep foundation pit, and foundation pit constructors and machines can conduct construction at the pit bottom conveniently.

Systems, devices, and methods for additive manufacturing of objects are provided. In some embodiments, a device for supporting an object during an additive manufacturing process includes a build platform having a surface, and a plurality of support structures extending above the surface of the build platform. Each support structure can be configured to couple to a portion of an additively manufactured object. The device can also include a plurality of actuators, each actuator being configured to adjust a position of a corresponding support structure relative to the build platform.

One illustrative embodiment of a tile & support structure may be configured to secure the position of a tile in a generally vertical configuration, such as the riser of a step, as a border around a portion of a deck, a building and / or wall façade, ventilated façade, interior or exterior wall covering, or other generally vertical surface. The support structure may be formed with a spine having at least one rail extending outward from a distal end thereof. The spine and rail(s) may be configured to secure one or more tiles, which tiles may be formed with a groove on at least one edge thereof, and wherein one or more rails may be positioned within the groove.

The invention discloses a real-time monitoring method and system for deformation of surrounding rock and a supporting structure in a construction period. The method comprises the following steps: acquiring attitude angle change data of a radar platform in pitching and rolling directions in real time through a high-precision tilt angle sensor; calculating an attitude angle variation of the attitude angle change data, comparing the attitude angle variation with a preset threshold value, and if the attitude angle variation is smaller than the preset threshold value, determining that the radar platform is stable; performing time sequence analysis on the initial deformation data by using an LSTM neural network model, predicting a surrounding rock deformation trend, identifying an abnormal deformation mode by using an anomaly detection algorithm, calculating a surrounding rock risk level based on a random forest classifier, generating a displacement cloud picture, calculating a convergence rate and positioning a maximum displacement point; and calculating a convergence rate and positioning the maximum displacement according to the displacement cloud picture to generate a risk prediction report, and triggering a multi-stage intelligent alarm. Dependence on external manual rechecking is reduced, and personal errors and labor intensity are reduced.

The invention particularly discloses a layered and segmented composite fabricated foundation pit support structure and a construction method. According to the overall technical scheme, double enclosure of deep mixing piles and a cemented soil retaining wall is followed, truss rib laminated slabs are spliced in a layered and segmented mode, an anchor rod group transversely penetrates through the deep mixing piles to be anchored into the cemented soil retaining wall, anchor rod holes are also used as high-pressure grouting holes, anchor rod sleeves guide anchor rods to enter soil and assist the truss rib laminated slabs to be in place, and high-strength grouting materials are grouted at high pressure; according to the design concept of the pile-wall-plate-anchor rod composite type foundation pit support structure, a technical system that a soil layer outside a foundation pit is stabilized through a cement soil retaining wall, force is borne by deep mixing piles, support grouting forming is conducted through a truss rib laminated plate, and overall cooperative bearing is strengthened through anchor rod driving is constructed. And the supporting requirements of complex geological environments and large-depth foundation pits are stably met.

The invention discloses an argillaceous siltstone geological anchorage deep foundation pit construction method, which relates to the technical field of building construction, and comprises the following steps: collecting stratum structure data, hydrogeological data and surrounding environment data of an anchorage area; determining an integral foundation pit form; a supporting scheme is designed, and a supporting structure type, a construction process and safety prevention and control measures are determined; verifying the stability of the supporting structure; construction resource investment, construction period and risk assessment data of different support schemes are collected, cost-benefit comparative analysis is carried out, and an optimal construction scheme is screened; the construction state is fed back in real time; and the anti-collapse, anti-seepage and anti-disturbance construction requirements under the muddy siltstone geological scene are met. According to the deep foundation pit construction method, a deep foundation pit construction full-process solution matched with the geological scene is formed by adopting double-row secant pile supporting, a targeted cast-in-situ bored pile and anchor cable construction technology and a near-high-rise special monitoring and inner supporting optimization technology.

Described herein is a support element that may be a cantilever arm and a support structure being formed from multiple support elements for example to form a platform. Methods of assembly and use are also described. In one aspect, a support element is described with an elongated shape, a distal end and a coupling end and a cantilever form, where the coupling end of the support element is configured to couple with a structural member, the support element further configured to rotate once coupled from an inclined or declined position to a substantially horizontal plane, the support element once rotated to a substantially horizontal plane, extending generally orthogonally away from the structural member to a termination point about the distal end of the support element.

The invention relates to the technical field of curtain wall plate construction design, in particular to a UHPC curtain wall plate installation construction design method based on a BIM technology. According to the method, the actually-measured coordinates are obtained by scanning the installed supporting structure, the field real scene model is constructed, the design pose is corrected according to the position deviation of the actually-measured coordinates and the design coordinates, the target pose matched with the current supporting structure form is obtained, dynamic adaptation to the construction deviation of the supporting structure in the installation stage is achieved, and the construction accuracy is improved. And the accuracy of installation and butt joint of the curtain wall plates is improved.

The invention relates to the technical field of retaining walls, in particular to an anti-overturning retaining wall supporting structure which comprises a base used for being placed on the ground, and adjusting grooves are symmetrically formed in the top face of the base; the formwork is used for pouring a multi-face retaining wall part, and the formwork is fixedly connected with the side face of the base; the adjusting part is used for adjusting the inclination direction of the formwork, the adjusting part is arranged on the adjusting groove, and the adjusting part is connected with the side face of the formwork; the supporting part is used for supporting the template, and the supporting part is fixedly arranged on the top surface of the base; positioning pins are symmetrically and fixedly mounted on the top surface of the base; the process requirement for pouring a multi-face soil retaining part can be met, and meanwhile the possibility of overturning of the retaining wall formwork can be reduced.

The utility model discloses an aquaculture net cage truss main structure which comprises a base platform structure and a truss structure, and the base platform structure is provided with a stand column structure. The base platform structure is provided with a buoyancy tank assembly and a support reinforcing structure; the base platform structure and the buoyancy tank assembly form a rectangular frame structure. The base platform structure and the buoyancy tank assemblies are arranged to form the rectangular frame structure to guarantee the strength of the main structure of the aquaculture net cage truss, the supporting reinforcing frames are arranged in a matched mode to form various supporting structures, the impact resistance of external force such as wind and sea waves is improved, and the overall stability is improved; the buoyancy tank assembly composed of the first buoyancy tanks and the edge buoyancy tanks is used for improving the adjustable efficiency of lifting, preventing the situation of deviation and toppling and improving the stability of lifting, when one of the buoyancy tanks breaks down, only the faulted buoyancy tank needs to be replaced, and the maintenance efficiency and cost are reduced.

The invention belongs to the technical field of tunnel construction deformation monitoring, and particularly discloses a tunnel construction surrounding rock deformation and support structure deformation synchronous monitoring method, which comprises the following steps of: arranging monitoring point pairs of surrounding rock and support structures on a tunnel physical monitoring section, synchronously acquiring deformation data by using the monitoring point pairs, and then executing graded time synchronous verification; through a dual synchronization verification mechanism, the problem of time misalignment is effectively eliminated, and it is also ensured that data used for collaborative deformation analysis has real and reliable time sequence consistency in the physical sense. Meanwhile, the surrounding rock displacement and support stress response curves of the same monitoring point pair are superposed under a unified time axis on the basis of completing time synchronism verification, the coupling relation between the morphological characteristics and the time sequence is comprehensively analyzed, the deformation cooperation state at the point is accurately judged, refined deformation behavior analysis based on the physical position is achieved, and the accuracy of deformation behavior analysis is improved. The early-stage precursor of collaborative degradation can be captured, and the timeliness of risk early warning is remarkably improved.

The utility model relates to the field of arch bridge construction, in particular to an ultra-wide steel box tied arch bridge arch temporary combination supporting structure which comprises an arch rib, a beam body and a plurality of transversely-arranged supporting units. The supporting unit is located between the arch rib and the beam body and comprises a plurality of supporting assemblies, each supporting assembly comprises two supporting rods, the tops of the two supporting rods are fixedly connected with clamping supporting parts, the arch rib is located at the tops of the supporting rods, and the two clamping supporting parts are located on the left side and the right side of the arch rib respectively. The left side face and the right side face of the arch rib are fixedly connected with the two clamping supporting parts respectively. According to the scheme, the arch rib is supported by the two rows of supporting rods, the supporting stability of the temporary combined supporting structure is improved, and it is guaranteed that the arch rib has enough rigidity and stability.

The utility model discloses a composite support system for excavation of a soft soil texture foundation pit, which comprises SMW (soil mixing wall) construction method piles, three-shaft mixing piles and an underground support structure, and the SMW construction method piles are arranged at intervals along the outer side of the foundation pit in the circumferential direction to form an outer enclosure structure. The three-shaft mixing piles are arranged along the inner side of the foundation pit at intervals and located on one side of the SMW construction method piles so as to form an inner reinforcing structure, the underground supporting structure is arranged in the SMW construction method piles and located in the foundation pit, and the underground supporting structure comprises an underground body, horizontal inner supports, stand column piles, latticed columns and adjustable inclined throwing supports. The latticed columns are vertically arranged below the horizontal inner supports, the bottom ends of the latticed columns are inserted into the stand column piles, and the adjustable inclined throwing supports are installed between the side walls of the underground body and a bottom plate of the underground body in an inclined mode. A composite supporting system composed of the composite supporting structure and the underground supporting structure is adopted, and the composite supporting system is suitable for soft soil geologic condition supporting and can provide higher supporting force.

The present application relates to a kind of large section deep soft rock tunnel combined support system and construction method, the present application is combined with elastic shell theory and equivalent section method, a steel arch frame-grating combined support mode suitable for deep large section soft rock tunnel is proposed, the support rigidity of simply using steel arch frame or grid steel frame is overcome or supported, the disadvantage of lower in long-term large deformation unfavorable surrounding rock stability and deformation control, solve the problem that the stress of existing support structure is larger, the self-bearing capacity of surrounding rock cannot be fully exerted, cause material waste is serious, the safety factor of support structure is low, difficult to guarantee the stability of tunnel, and provide a simple and practical construction method for tunnel excavation and support.

A system and method for the assembly and support of glass panels when used in conjunction with a curtain wall system. The system may generally include a pair of spaced apart mullions, a pair of upper anchors, a pair of lower anchors, and a pair of gravity fittings. The pair of upper anchors may be coupled to the upper end of the pair of mullions and the building structure. The pair of lower anchors may be coupled to the lower end of the pair of mullions and the building structure. The pair of gravity fittings may be coupled to an exterior face at the lower end of the pair of mullions. The gravity fitting may comprise a bracket coupled to the pair of mullions and a shelf configured to support a portion of the glass panel.

The application relates to the technical field of building construction, in particular to a building foundation construction method based on digital twinning, which comprises the following steps: constructing a digital twin based on BIM technology; collecting the stress of a supporting structure and the soil temperature at a preset detection frequency during the overwintering period of a foundation pit, and synchronizing the stress and the soil temperature to the digital twin; calculating a freeze-thaw damage characteristic value of the supporting structure according to the area of a hysteresis loop surrounded by a stress-temperature curve in a preset temperature period, and determining the construction risk grade of the deep foundation pit according to the freeze-thaw damage characteristic value; when the construction risk grade is determined as the third type, collecting the displacement of the supporting structure at a key depth, obtaining a deformation recovery characteristic value, determining an adjustment strategy when the deformation recovery characteristic value does not meet the requirements, feeding back the adjustment strategy to a physical construction site for execution, and recording the data and the treatment result of this time to a case library to optimize the digital twin model. The application improves the intelligent level of building foundation construction.

This invention relates to a support structure and construction method for rapid repair of landslide-affected roadbed slopes, belonging to the field of roadbed engineering emergency repair. The support structure is a pile-slab support structure, composed of steel piles and hollow precast diaphragms. The steel piles include bottom segments, standard segments, splicing pins, and splicing bolts. Both the bottom and standard segments include multiple splicing grooves at their top. The hollow precast diaphragms include bottom segments, standard segments, splicing pins, and splicing bolts. Both bottom and standard segments include multiple splicing grooves at their top. The pile-slab support structure of this invention features simple construction, high efficiency and convenience, high strength, good versatility, safety and reliability, wide applicability, and energy saving and economy. It can be used to achieve rapid restoration of traffic on damaged roads and provide a closed, efficient, and safe construction environment for rapid repair of landslide-affected roadbed slopes.

This invention relates to the field of deep foundation pit support construction technology, specifically a nested support construction process for deep foundation pit elevator shafts and sump pits. It solves the problem that traditional caisson waterproofing technology is prone to failure due to pit wall collapse in highly permeable gravel strata, making it difficult to create stable construction conditions. The process includes a steel caisson support structure, within which a steel caisson waterproofing structure is nested. This steel caisson waterproofing structure is used in conjunction with the steel caisson support structure for nested construction. This invention, through the nested cooperation of the steel caisson support structure and the steel caisson waterproofing structure, and the injection of a self-compacting concrete filling layer, achieves an integrated support and waterproofing effect during construction. It creates a stable, dry, and enclosed working space in easily collapsible, highly permeable strata, solving the problem of failure of traditional single waterproofing technology and creating safe and reliable conditions for subsequent structural construction.

The application provides a foundation pit supporting structure of deep silt stratum and a construction method thereof. The foundation pit supporting structure comprises cast-in-situ bored piles arranged in rows and a water stop curtain. The water stop curtain comprises a plurality of rotary jet piles located in the silt layer and the upper stratum thereof and a plurality of swing jet piles located in the lower stratum of the silt layer. The cast-in-situ bored piles are constructed by using rotary drilling machines; adjacent rotary jet piles are overlapped and engaged with each other; adjacent swing jet piles are overlapped and engaged with each other; and adjacent cast-in-situ bored piles are not engaged with each other. The application combines the construction of the water stop curtain and the cast-in-situ bored piles, firstly constructs the rotary jet piles of the water stop curtain, overlaps and engages the rotary jet piles with each other, then constructs the cast-in-situ bored piles by using rotary drilling machines in the rotary jet piles, the diameter of the rotary jet piles is larger than that of the cast-in-situ bored piles, the former serves as the water stop curtain and also serves as the temporary casing during the construction of the latter, one pile has two uses, the construction process is reduced, the engineering cost is lowered, and the application has good popularization value.

A support system for a stud rail assembly having first and second stud rail members supported on a form for a concrete structure. The support system comprises a support structure, a support slot and a support opening. The support structure defines a support member, and a connection projection. The first stud rail member defines a support slot and the second stud rail member defines a support opening. The connection projection can extend through the support slot so the connection projection is movable within the support slot to allow movement of the first stud rail member. The support opening can receive the connection projection, so the first stud rail member is supported for rotation relative to the support structure and the second stud rail member. The support system is arranged to support the stud rail assembly in a desired location and configuration relative to the form.

The utility model discloses a kind of across shaft portal crane combined track beam structure, including the reinforced concrete track beam of ground part;Combined track beam across shaft part, the combined track beam is composed of custom steel box girder and the reinforced concrete track beam arranged thereon;Custom steel box girder is connected with enclosure structure by pre-embedded steel plate, and its top elevation is flush with the top elevation of the reinforced concrete track beam of ground part;Combined track beam and the reinforced concrete track beam of ground part are connected, form continuous portal crane track support structure;The device solves the problem that the track beam cannot be set on the ground due to the limitations of site or the width and span of foundation pit in the prior art;It has the characteristics that large-diameter circular shaft portal crane track beam can be arranged across shaft.

The utility model provides a fixing device of a cast-in-place arch bridge formwork, relates to a building construction fixing and supporting technology, and particularly discloses a supporting seat used for supporting a steel formwork and a base installed on a supporting platform, a hinge piece connected with the base in a rotating mode is installed on the supporting seat, and an inclined supporting frame used for supporting the supporting seat is arranged on the base. The side wall, opposite to the steel formwork, of the supporting base is provided with a supporting structure matched with the supporting base in a self-adaptive mode. The supporting seat can rotate by 0-180 degrees on the base under the cooperation of the hinge piece, so that the lower end steel template is supported at different angles; the inclined supporting frame, the base and the supporting seat form a relatively stable triangular structure, so that the supporting effect of the structure on the steel formwork is improved, and the problems of collapse and the like are avoided; the supporting structure can deflect by a certain angle on the supporting seat, so that the supporting structure is self-adaptive to the steel formwork, a gap between the supporting seat and the steel formwork can be reduced, the supporting seat and the steel formwork are attached more tightly, and the steel formwork is supported more stably.

The application discloses a floor support structure, which comprises a floor and a support beam or wall body arranged at the periphery of the floor, support members are symmetrically arranged on opposite sides of the support beam or wall body, and a tensioning connector is arranged on the support beam / wall body and the support member; a pre-jacking driving structure is arranged on one side of the support member facing the support beam / wall body, and a jacking part for jacking the floor is arranged on the top of the support member; when the tensioning connector is subjected to a tensioning force, the support member is driven by the pre-jacking driving structure to be upwardly tilted away from the end of the support beam / wall body, so that the jacking part actively jacks the floor, and an additional stress support is formed at the bottom of the floor. Through the active pre-jacking mechanism combining the tensioning and geometric conversion, the stress lag problem of the traditional passive reinforcement technology is solved, the active unloading and synchronous stress of the original floor are realized, and the reinforcement efficiency and the bearing capacity improvement range are improved. The structure does not need to rely on structural bonding, has no special requirements on the concrete strength and surface quality of the original floor, and has a wider application range.

The utility model discloses a kind of pile foundation construction is used to prevent deviation equipment, it is related to pile foundation technical field, including: deviation prevention bottom plate, the upper wall surface of deviation prevention bottom plate is equipped with guide through-hole, the upper wall surface of deviation prevention bottom plate is installed with height guide structure, the lateral wall surface of deviation prevention bottom plate is installed with four groups of guide rail structure, the tail portion of four guide rail structures is installed with counterweight structure, guide support structure is installed between four groups of guide rail structure and height guide structure;The utility model greatly improves the quality of itself by four counterweights, can bear greater external force, so quality can be guaranteed to be installed into the hole of prefabricated larger pile foundation, and the vertical installation of pile foundation is guaranteed;Meanwhile the device can adjust the distance between height guide plate and guide pipe, and then adjust the distance of pile foundation installation deviation prevention, improve the range of pile foundation size installed to some extent, improve the practicability of the device to some extent.

The application discloses a large-span steel structure and a metal roof integrated construction method thereof, and mainly comprises the following steps: (1) arranging assembling jigs and fulcrums at boundary positions on an assembling operation surface according to the construction partition, design boundary and assembling requirement of the large-span steel structure; (2) completing the assembling construction of the large-span steel structure on the assembling jigs; (3) reserving part of the assembling jig fulcrums near the original support boundary of the large-span steel structure and unloading the rest of the assembling jig fulcrums; (4) completing the metal roof system installation operation on the unloaded steel structure; (5) installing corresponding lifting or hoisting construction measures; (6) integrally lifting or hoisting and positioning; (7) fixing the large-span steel structure and the metal roof on a supporting structure; and (8) integrally unloading and completing the construction. The application solves the defects of the existing steel structure and metal roof integrated construction, can avoid the excessive deformation of the metal roof in the integrated construction process, is safe and controllable, and significantly improves the construction quality.