CN113931079A - Information modular construction method for cast-in-place concrete bridge support - Google Patents
Information modular construction method for cast-in-place concrete bridge support Download PDFInfo
- Publication number
- CN113931079A CN113931079A CN202111428511.XA CN202111428511A CN113931079A CN 113931079 A CN113931079 A CN 113931079A CN 202111428511 A CN202111428511 A CN 202111428511A CN 113931079 A CN113931079 A CN 113931079A
- Authority
- CN
- China
- Prior art keywords
- construction
- bridge support
- dimensional model
- model
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0022—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device
- G06K17/0025—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations arrangements or provisious for transferring data to distant stations, e.g. from a sensing device the arrangement consisting of a wireless interrogation device in combination with a device for optically marking the record carrier
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
- G06T17/05—Geographic models
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Computer Hardware Design (AREA)
- Structural Engineering (AREA)
- Software Systems (AREA)
- Mathematical Optimization (AREA)
- Evolutionary Computation (AREA)
- Pure & Applied Mathematics (AREA)
- Mathematical Analysis (AREA)
- Computer Networks & Wireless Communication (AREA)
- Remote Sensing (AREA)
- Computational Mathematics (AREA)
- Computer Graphics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a cast-in-place concrete bridge support information modular construction method, which relates to the technical field of bridge construction and comprises the following steps: s1: acquiring basic bridge information; s2: constructing a three-dimensional model; s3: establishing an information management platform; s4: carrying out water pre-pressing simulation calculation; s5: and performing field construction and assembly according to the three-dimensional model to form a bridge support and establish an assembled modular warehouse-dividing unit. The invention solves the technical problems of poor safety and operability of the construction method in the prior art.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a cast-in-place concrete bridge support information modular construction method.
Background
With the development of modern bridge construction, the construction method of the bridge superstructure is greatly improved, wherein the cast-in-place method of the bracket is a current main construction method due to the advantages of convenient construction, no need of a prefabricated field and the like.
The safety guarantee means for the bridge formwork support in China at present is to perform prepressing before concrete pouring, because the formula of the settlement deformation calculation of the current formwork support is approximate, inelastic deformation can be eliminated through the prepressing, a more accurate numerical value of the elastic deformation of the formwork support is obtained, favorable conditions are provided for the closer design of the constructed structure, and the safety in construction can be guaranteed. At present, the common prepressing method in China generally adopts a hoisting sand bag method, a jack method or other material prepressing methods, and although the methods can achieve the aim of prepressing and meet the requirements of design and specification, the methods have poor operability, need a large amount of manpower and financial resources, occupy quite long construction period, and bring greater difficulty to construction particularly under the condition of stricter erection of a template support with complex terrain.
Disclosure of Invention
The invention aims to provide a cast-in-place concrete bridge support information modular construction method, and solves the technical problems of poor safety and poor operability of the construction method in the prior art.
The embodiment of the application discloses a cast-in-place concrete bridge support information modular construction method, which comprises the following steps:
s1: acquiring basic bridge information;
s2: constructing a three-dimensional model;
s3: establishing an information management platform;
s4: carrying out water pre-pressing simulation calculation;
s5: and performing field construction and assembly according to the three-dimensional model to form a bridge support and establish an assembled modular warehouse-dividing unit.
On the basis of the technical scheme, the embodiment of the application can be further improved as follows:
further, it also includes step S6: and (5) carrying out water-borne method prepressing detection on the bridge support in the step S5, and adopting the method has the beneficial effect that the detection method is high in safety.
Further, the specific steps of constructing the three-dimensional model of the bridge in step S2 are as follows:
s201: collecting CAD drawings, carrying out on-site photographing, and generating a three-dimensional terrain model by combining BIM software;
s202: performing theoretical calculation according to the basic bridge information in the step S1, calculating the actual load L, and performing calculation by adopting sample software to obtain a calculation result;
s203: and scanning by adopting a three-dimensional laser scanner to obtain field point cloud data, and constructing a construction three-dimensional model according to the field point cloud data and the calculation result in the step S202 and by combining a three-dimensional terrain model.
Furthermore, the BIM software is Autodesk Revit software or Civil3D software, and the method has the advantage of improving accuracy.
Further, the specific steps of constructing the security information management platform in step S3 are as follows:
step S301: coding each component of the support model of the construction three-dimensional model, and synchronously generating a two-dimensional code according to a corresponding coding rule;
step S302: making a striking mark on a component of the hidden danger part of the bracket model of the construction three-dimensional model;
step S303: and forming an information management platform according to the codes of the step S301 and the construction three-dimensional model.
Further, the concrete steps of performing the water pre-pressure simulation calculation in step S4 are as follows:
s401: carrying out water-borne method prepressing simulation on the support model of the construction three-dimensional model, and carrying out four times of loading, wherein the loading is carried out by 60% L, 80% L, 100% L and 110% L in sequence;
s402, dividing the support model of the construction three-dimensional model into six sections, numbering the support models of the construction three-dimensional model of each section, and simultaneously forming two-dimensional code information;
s403: after each loading, carrying out nonlinear analysis through finite element analysis software, judging whether a support model of the construction three-dimensional model is in an elastic working stage, if so, entering the next loading, and correlating the two-dimension code information to simulate elastic deformation until the loading is finished;
s404, when the load is 110 percent L, calculating by adopting sample software to obtain the simulated elastic parameters of the bracket model of each section of the construction three-dimensional model; and theoretically calculating the support model of the construction three-dimensional model to obtain theoretical elastic parameters, comparing the simulated elastic parameters with the theoretical elastic parameters, and associating the simulated elastic deformation and the theoretical elastic parameters of the theoretical section with the two-dimension code information when the simulated elastic parameters are not more than the theoretical elastic parameters.
Further, the specific steps of performing site construction and assembling according to the three-dimensional model in the step S5 are as follows:
s501: treating the foundation of the bridge support, and constructing the bridge support;
s502: according to the construction three-dimensional model, attaching corresponding two-dimensional codes to the hidden danger part components of the bridge support, scanning hidden danger part state information in real time through handheld terminal equipment, and transmitting detection results to an information management platform;
s503: according to the construction three-dimensional model, the bridge support is segmented into six segments, and each segment is provided with a sensor and is adhered with the corresponding two-dimensional code, so that construction personnel can conveniently read data during water prepressing and compare the data with simulation data, and the construction three-dimensional model has the beneficial effect of being convenient for realizing automatic management.
Further, the water-borne method pre-pressure detection in step S6 includes the following specific steps:
s601: constructing the bridge support to meet the requirement of water pre-pressing;
s602: loading the bridge support, wherein the loading sequence is carried out according to the concrete pouring sequence; meanwhile, the bridge support is loaded four times, namely 60% L, 80% L, 100% L and 110% L in sequence; after each stage of loading is finished, stopping the next stage of loading, monitoring the settlement of the bridge support once every 12h, reading real-time data through the sensor, comparing the real-time data with simulation data, and judging that the section of bridge support meets the requirement when the real-time data is not greater than the simulation data;
s603: if the average value of the settlement amount of the top monitoring point 12h of the bridge support is smaller than 2mm, and the real-time data is not larger than the simulation data, next-stage loading is carried out;
if the settlement of the monitoring points is not more than 1mm, the average settlement of each monitoring point for 72 hours is less than 5mm, namely the bridge support is considered to be stable, and after waiting for 24 hours, observation is carried out once every 6 hours for 7 days; if the average settlement of each monitoring point 24h is less than 1mm and the average settlement of each monitoring point 72h is less than 5mm, the construction is qualified, and the method has the beneficial effect that the construction safety can be ensured through multiple checking calculation and comparison.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
1. the building construction method is based on the BIM parametric modeling technology, module design is optimized, the combination mode is deepened, construction simulation is carried out, the building construction method is sequentially numbered according to the simulation assembly sequence, a plurality of warehouse division unit modules are assembled, a support system which is supported and pulled oppositely at the upper side is relied on, measures are powerful, work efficiency is improved, and integrity, reliability and safety of the system are guaranteed.
2. This application is based on wisdom building site engineering is made, through detecting the bearing structure, and the deflection of member when utilizing little deformation sensor to gather the pre-compaction changes the stress value on the structural mechanics angle into, can provide the theoretical data of science for the bearing structure finally with data reaction in the support system, makes the structure reasonable safety more.
3. The settlement method and the settlement system adopt comprehensive technologies such as safety checking calculation, BIM calculation, numerical analysis, dynamic monitoring and traditional observation, and achieve settlement which is obviously superior to the standard requirement.
4. This application designs into the modular unit that can assemble with water-carrying pre-compaction module case, and the equipment is convenient with the dismantlement, the follow-up used repeatedly of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow chart of a cast-in-place concrete bridge support information modular construction method according to an embodiment of the present invention;
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
In order to better understand the technical solutions, the technical solutions will be described in detail below with reference to the drawings and the detailed description.
Example (b):
the embodiment of the application discloses a cast-in-place concrete bridge support information modular construction method, as shown in figure 1, comprising the following steps:
s1: acquiring basic bridge information, wherein the acquiring of the basic bridge information comprises the following steps: planning the bridge project by a combined project group consisting of a construction manager and a designer so that the bridge project forms a clear project target and a requirement list;
s2: constructing a three-dimensional model, which comprises the following specific steps:
s201: collecting CAD drawings, carrying out on-site photographing, and generating a three-dimensional terrain model by combining BIM software; the CAD drawing is a designed plane design drawing, and the BIM software is Autodesk Revit software or Civil3D software;
s202: performing theoretical calculation according to the basic bridge information in the step S1, calculating an actual load L, and calculating by adopting sample software to obtain a calculation result, wherein the specific theoretical calculation is calculated by some conventional calculation methods and specifications in the technical field, and the sample software is also calculated according to some specifications to obtain index requirements to be met when a subsequent construction three-dimensional model is built, and the specific specifications include 'construction scaffold safety technology unified standard', 'construction template safety technology specification', 'highway bridge and culvert construction technology specification', 'construction structure load specification', 'steel structure design specification', 'construction fastener type steel pipe scaffold safety technology specification', and the like;
s203: and scanning by adopting a three-dimensional laser scanner to obtain field point cloud data, and constructing a construction three-dimensional model according to the field point cloud data and the calculation result in the step S202 and by combining a three-dimensional terrain model. By utilizing the three-dimensional model, a site security officer can see the corresponding construction effect, thereby not only improving the efficiency of the safety review of the scheme drawing, verifying the rationality and the correctness of the construction scheme, but also laying a foundation for the monitoring, elimination and prevention of potential safety hazards. By predicting and reasonably planning the occupied space of each rod piece and the building in advance, the mutual conflict of the rod pieces and the building in the construction space is avoided, the occurrence probability of safety events is reduced, and the integrity of formwork construction safety is guaranteed;
s3: the method comprises the following steps of establishing an information management platform:
step S301: coding each component of the support model of the construction three-dimensional model, and synchronously generating a two-dimensional code according to a corresponding coding rule;
step S302: making a striking mark on a component of the hidden danger part of the bracket model of the construction three-dimensional model;
step S303: and forming an information management platform according to the codes of the step S301 and the construction three-dimensional model. Through coding and marking each component, follow-up constructors can compare and check conveniently during actual construction, the working efficiency is improved, and meanwhile, the safety performance is improved.
S4: carrying out water pre-pressing simulation calculation, which comprises the following steps:
s401: carrying out water-borne method prepressing simulation on the support model of the construction three-dimensional model, and carrying out four times of loading, wherein the loading is carried out by 60% L, 80% L, 100% L and 110% L in sequence; during simulation, the semi-rigidity of a right-angle fastener of the bracket model can be simulated through the spring unit, and the contact working condition of the bottom of the bracket and the ground is simulated through hinged constraint
S402, dividing the support model of the construction three-dimensional model into six sections, numbering the support models of the construction three-dimensional model of each section, and simultaneously forming two-dimensional code information;
s403: after each loading, carrying out nonlinear analysis through finite element analysis software, judging whether a support model of the construction three-dimensional model is in an elastic working stage, if so, entering the next loading, and correlating the two-dimension code information to simulate elastic deformation until the loading is finished; the specific mode for judging whether the working stage is elastic is to carry out nonlinear analysis through ANSYS, calculate through a support, a support, a bin module unit and an equivalent hydraulic structure system to obtain stress-strain results and load displacement curves of all finite element models and supports, obtain simulated elastic deformation of all positions, compare the simulated elastic deformation with theoretical elastic deformation, and judge whether the working stage is elastic, wherein the theoretical elastic deformation is obtained by a conventional calculation mode in the technical field;
s404, when the load is 110 percent L, calculating by adopting sample software to obtain the simulated elastic parameters of the bracket of each section of the construction three-dimensional model; and performing theoretical calculation on the support model of the construction three-dimensional model to obtain theoretical elastic parameters, comparing the simulated elastic parameters with the theoretical elastic parameters, and associating the simulated elastic parameters with the theoretical elastic parameters of the theoretical section by the two-dimensional code information when the simulated elastic parameters are not more than the theoretical elastic parameters, wherein the simulated elastic parameters are calculated by sampling software, and the theoretical elastic parameters are obtained by conventional calculation in the technical field, wherein the elastic parameters comprise elastic modulus, yield strength and the like.
S5: the method comprises the following steps of performing site construction and assembly according to a three-dimensional model to form a bridge support, and establishing an assembled modular warehouse-dividing unit, wherein the method comprises the following specific steps:
s501: treating the foundation of the bridge support, and constructing the bridge support;
s502: according to the construction three-dimensional model, attaching a corresponding two-dimensional code to a component at the hidden danger part of the bridge support, wherein the two-dimensional code corresponds to the two-dimensional code at the corresponding part of the construction three-dimensional model; the state information of the hidden danger part is scanned in real time through the handheld terminal equipment, and the detection result is transmitted to the information management platform; therefore, the visual display and information integration management of the hidden danger parts are realized, the hidden danger parts are highlighted in the model once an unsafe state occurs, and the dangerous information is pushed at the mobile terminal, so that technical support is provided for timely acquisition and integration of the hidden danger part information and safety early warning in the construction process;
s503: according to the construction three-dimensional model, the bridge support is segmented into six segments, a sensor is mounted on each segment of the bridge support, and the two-dimensional code corresponding to the segment of the construction three-dimensional model is pasted on the bridge support, is the same as the two-dimensional code of the corresponding segment of the construction three-dimensional model, is convenient for construction personnel to read data during water pre-pressing and compares the data with simulation data, and the method has the advantage of being convenient for achieving automatic management.
S6: carrying out water-borne method prepressing detection on the bridge support in the step S5, and specifically comprising the following steps:
s601: constructing the bridge support to meet the requirement of water prepressing, namely, assembling box body modules, constructing geotextile and a high-strength waterproof membrane to complete six water-borne prepressing module boxes, assembling the six water-borne prepressing module boxes on the bridge support, and adding water into the six water-borne prepressing module boxes simultaneously when water is loaded subsequently; the water flow can be recycled, waste is reduced, and the working efficiency is improved;
s602: loading the bridge support, wherein the loading sequence is carried out according to the concrete pouring sequence; meanwhile, the loading of the bridge support is carried out four times, namely 60% L, 80% L, 100% L and 110% L in sequence, during the loading, water is added into six water-borne pre-pressing module boxes simultaneously, and the total load is 60% L, 80% L, 100% L and 110% L; after each stage of loading is finished, stopping the next stage of loading, monitoring the settlement of the bridge support once every 12h, reading real-time data through the sensor, comparing the real-time data with simulation data, and judging that the section of bridge support meets the requirement when the real-time data is not greater than the simulation data; if not, adjustment is needed;
s603: if the average value of the settlement amount of the monitoring points 12h at the top of the bridge support is less than 2mm, and the real-time data is not greater than the simulation data, next-stage loading is carried out;
if the settlement of the monitoring points is not more than 1mm, the average settlement of each monitoring point for 72 hours is less than 5mm, namely the bridge support is considered to be stable, and after waiting for 24 hours, observation is carried out once every 6 hours for 7 days; if the average settlement of each monitoring point 24h is less than 1mm and the average settlement of each monitoring point 72h is less than 5mm, the construction is qualified, and the construction safety can be ensured through multiple checking and comparison.
In the description of the present invention, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (8)
1. The cast-in-place concrete bridge support information modular construction method is characterized by comprising the following steps of:
s1: acquiring basic bridge information;
s2: constructing a three-dimensional model;
s3: establishing an information management platform;
s4: carrying out water pre-pressing simulation calculation;
s5: and performing field construction and assembly according to the three-dimensional model to form a bridge support and establish an assembled modular warehouse-dividing unit.
2. The cast-in-place concrete bridge support information modular construction method according to claim 1, further comprising the step of S6: and (5) carrying out water-borne method prepressing detection on the bridge support in the step S5.
3. The cast-in-place concrete bridge support information modular construction method according to claim 2, wherein the concrete steps of constructing the three-dimensional model of the bridge in the step S2 are as follows:
s201: collecting CAD drawings, carrying out on-site photographing, and generating a three-dimensional terrain model by combining BIM software;
s202: performing theoretical calculation according to the basic bridge information in the step S1, calculating the actual load L, and performing calculation by adopting sample software to obtain a calculation result;
s203: and scanning by adopting a three-dimensional laser scanner to obtain field point cloud data, and constructing a construction three-dimensional model according to the field point cloud data and the calculation result in the step S202 and by combining a three-dimensional terrain model.
4. The cast-in-place concrete bridge support information modular construction method of claim 3, wherein the BIM software is Autodesk Revit software or Civil3D software.
5. The cast-in-place concrete bridge support information modular construction method of claim 3, wherein the concrete steps of building the safety information management platform in the step S3 are as follows:
step S301: coding each component of the support model of the construction three-dimensional model, and synchronously generating a two-dimensional code according to a corresponding coding rule;
step S302: making a striking mark on a component of the hidden danger part of the bracket model of the construction three-dimensional model;
step S303: and forming an information management platform according to the codes of the step S301 and the construction three-dimensional model.
6. The cast-in-place concrete bridge support information modular construction method of claim 2, wherein the concrete steps of performing water pre-compaction simulation calculation in the step S4 are as follows:
s401: carrying out water-borne method prepressing simulation on the support model of the construction three-dimensional model, and carrying out four times of loading, wherein the loading is carried out by 60% L, 80% L, 100% L and 110% L in sequence;
s402, dividing the support model of the construction three-dimensional model into six sections, numbering the support models of the construction three-dimensional model of each section, and simultaneously forming two-dimensional code information;
s403: after each loading, carrying out nonlinear analysis through finite element analysis software, judging whether a support model of the construction three-dimensional model is in an elastic working stage, if so, entering the next loading, and correlating the two-dimension code information to simulate elastic deformation until the loading is finished;
s404, when the load is 110 percent L, calculating by adopting sample software to obtain the simulated elastic parameters of the bracket model of each section of the construction three-dimensional model; and theoretically calculating the support model of the construction three-dimensional model to obtain theoretical elastic parameters, comparing the simulated elastic parameters with the theoretical elastic parameters, and associating the simulated elastic deformation and the theoretical elastic parameters of the theoretical section with the two-dimension code information when the simulated elastic parameters are not more than the theoretical elastic parameters.
7. The cast-in-place concrete bridge support information modular construction method of claim 6, wherein in the step S5, according to the construction three-dimensional model, the on-site construction and assembly are performed, and the specific steps of building the assembled modular warehouse-dividing units are as follows:
s501: treating the foundation of the bridge support, and constructing the bridge support;
s502: according to the construction three-dimensional model, attaching corresponding two-dimensional codes to the hidden danger part components of the bridge support, scanning hidden danger part state information in real time through handheld terminal equipment, and transmitting detection results to an information management platform;
s503: and segmenting the bridge support into six sections according to the construction three-dimensional model, and installing a sensor on each section of the bridge support and pasting the corresponding two-dimensional code, so that a constructor can conveniently read data during water pre-pressing and compare the data with simulation data.
8. The cast-in-place concrete bridge support information modular construction method of claim 7, wherein the water-borne method prepressing detection in the step S6 specifically comprises the following steps:
s601: constructing the bridge support to meet the requirement of water pre-pressing;
s602: when the bridge support is loaded, the loading sequence is carried out according to the concrete pouring sequence; loading is carried out for four times at the same time, and the loading is carried out for 60% L, 80% L, 100% L and 110% L in sequence; after each stage of loading is finished, stopping the next stage of loading, monitoring the settlement of the support once at intervals of 12h, reading real-time data through the sensor, comparing the real-time data with the simulation data, and judging that the section of bridge support meets the requirements when the real-time data is not greater than the simulation data;
s603: if the average value of the settlement amount of the monitoring points 12h at the top of the bridge support is less than 2mm, next-stage loading is carried out;
if the settlement of the monitoring points is not more than 1mm, the average settlement of each monitoring point for 72 hours is less than 5mm, namely the bridge support is considered to be stable, and after waiting for 24 hours, observation is carried out once every 6 hours for 7 days; and if the average settlement of 24h of each monitoring point is less than 1mm and the average settlement of 72h of each monitoring point is less than 5mm, the test is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111428511.XA CN113931079A (en) | 2021-11-29 | 2021-11-29 | Information modular construction method for cast-in-place concrete bridge support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111428511.XA CN113931079A (en) | 2021-11-29 | 2021-11-29 | Information modular construction method for cast-in-place concrete bridge support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113931079A true CN113931079A (en) | 2022-01-14 |
Family
ID=79288525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111428511.XA Pending CN113931079A (en) | 2021-11-29 | 2021-11-29 | Information modular construction method for cast-in-place concrete bridge support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113931079A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116663129A (en) * | 2023-07-31 | 2023-08-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Intelligent bridge design system and method based on 3DE platform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485284A (en) * | 2013-09-30 | 2014-01-01 | 上海建工七建集团有限公司 | High-altitude water injection surcharge load system for bridge support prepressing |
| KR101512998B1 (en) * | 2014-09-25 | 2015-04-17 | 주식회사 강동건설엔지니어링 | Rahmen Bridge And Contruction Method Thereof |
| CN105155425A (en) * | 2015-09-22 | 2015-12-16 | 深圳市市政工程总公司 | Fluid analogue simulation preloading construction method of full framing |
| CN107905109A (en) * | 2017-11-21 | 2018-04-13 | 重庆建工市政交通工程有限责任公司 | The loads such as the cast-in-place platform simulation of great-leap-forward bridge are segmented precompressed construction method |
| CN113505418A (en) * | 2021-06-28 | 2021-10-15 | 中铁十九局集团有限公司 | Bridge construction method based on BIM |
-
2021
- 2021-11-29 CN CN202111428511.XA patent/CN113931079A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103485284A (en) * | 2013-09-30 | 2014-01-01 | 上海建工七建集团有限公司 | High-altitude water injection surcharge load system for bridge support prepressing |
| KR101512998B1 (en) * | 2014-09-25 | 2015-04-17 | 주식회사 강동건설엔지니어링 | Rahmen Bridge And Contruction Method Thereof |
| CN105155425A (en) * | 2015-09-22 | 2015-12-16 | 深圳市市政工程总公司 | Fluid analogue simulation preloading construction method of full framing |
| CN107905109A (en) * | 2017-11-21 | 2018-04-13 | 重庆建工市政交通工程有限责任公司 | The loads such as the cast-in-place platform simulation of great-leap-forward bridge are segmented precompressed construction method |
| CN113505418A (en) * | 2021-06-28 | 2021-10-15 | 中铁十九局集团有限公司 | Bridge construction method based on BIM |
Non-Patent Citations (1)
| Title |
|---|
| 孟再生等: "基于Midas/Civil的碗扣式满堂支架参数化建模研究" * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116663129A (en) * | 2023-07-31 | 2023-08-29 | 中国电建集团贵阳勘测设计研究院有限公司 | Intelligent bridge design system and method based on 3DE platform |
| CN116663129B (en) * | 2023-07-31 | 2023-11-14 | 中国电建集团贵阳勘测设计研究院有限公司 | Intelligent bridge design system and method based on 3DE platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Hao et al. | Carbon emission reduction in prefabrication construction during materialization stage: A BIM-based life-cycle assessment approach | |
| Robertson et al. | A comparative cradle-to-gate life cycle assessment of mid-rise office building construction alternatives: Laminated timber or reinforced concrete | |
| Hu et al. | Smart building demolition and waste management frame with image-to-BIM | |
| CN111859507A (en) | Assembly type building construction scheme based on BIM technology | |
| Ma et al. | Single-shot multibox detector-and building information modeling-based quality inspection model for construction projects | |
| CN112989532A (en) | BIM-based construction method for changing municipal pipeline of subway station | |
| CN111898186A (en) | Application method of BIM technology in template temporary setting | |
| Zhang et al. | Application study on building information model (BIM) standardization of Chinese engineering breakdown structure (EBS) coding in life cycle management processes | |
| CN112464494A (en) | Construction system is built to wisdom | |
| CN113931079A (en) | Information modular construction method for cast-in-place concrete bridge support | |
| CN114875971A (en) | Measuring device suitable for large prefabricated part of fully-assembled subway station and refined installation control method | |
| Huang et al. | A framework for integrating embodied carbon assessment and construction feasibility in prefabricated stations | |
| Rui et al. | Construction project management based on building information modeling (Bim) | |
| CN102880918A (en) | Deep foundation pit risk assessment method based on data fusion analysis | |
| Qiu et al. | Resilience enhancement of using prefabrication technology for post-accident restoration of coastal infrastructure | |
| Xu | The Construction Site Management of Concrete Prefabricated Buildings by ISM-ANP Network Structure Model and BIM under Big Data Text Mining Analytic Network Process (ANP) | |
| CN112347540B (en) | Intelligent detection modeling system for building | |
| Guaygua et al. | A systematic review of seismic-resistant precast concrete buildings | |
| Xu | Truss construction of green fabricated steel structure based on BIM intelligent technology | |
| CN111274637B (en) | BIM technology-based four-dimensional bridge information management system | |
| Yang et al. | Mechanical performance and failure mode research on the braced frame joint of tower cranes in high-rise building construction | |
| Chao et al. | Research on construction quality control of prefabricated concrete bridge based on BIM technology | |
| Tian et al. | Research on the application of BIM technology in bridge engineering | |
| Sritharan | Hexcrete Tower for Harvesting Wind Energy at Taller Hub Heights‒Budget Period 2 | |
| Chen et al. | Prediction and forewarning of axial force of steel bracing in foundation pit based on verhulst model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |