CN111926869B - Heavy construction foundation reinforcing apparatus - Google Patents
Heavy construction foundation reinforcing apparatus Download PDFInfo
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- CN111926869B CN111926869B CN202010834646.5A CN202010834646A CN111926869B CN 111926869 B CN111926869 B CN 111926869B CN 202010834646 A CN202010834646 A CN 202010834646A CN 111926869 B CN111926869 B CN 111926869B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D37/00—Repair of damaged foundations or foundation structures
Abstract
The invention discloses a heavy building foundation reinforcing device, which comprises an operation server and a plurality of test systems, wherein the test systems are arranged in the space between foundation partition walls and are communicated with a data transmission circuit; the test system is used for testing and acquiring the image information and the length information of the box-shaped foundation, converting the image information and the length information into digital signals and transmitting the digital signals to the data transmission circuit; the test system comprises a test circuit and a test sensor, wherein the test circuit comprises an analog-to-digital conversion circuit module, a single-chip microcomputer control module and a communication module which are electrically connected. The method and the device can be used for reinforcing the box foundation in foundation construction.
Description
Technical Field
The invention relates to a device in the field of foundation reinforcement, in particular to a heavy construction foundation reinforcement device.
Background
In general, a foundation base refers to an enlarged portion of a foundation-based house in which walls or columns are buried in the ground. The foundation is connected with the foundation under the bearing structure, so the design and the detection of the foundation are important items. The foundation foundations are also of various types, in heavy construction, the foundation foundations are generally box foundations, the box foundations are generally provided with bottom plates at the lower parts and top plates at the upper parts, reinforced concrete structures are poured between the upper parts and the lower parts to form partition walls, and spaces among the partition walls can be used as basements. In fact, in the process of constructing the foundation or after the foundation is constructed, the foundation may be reinforced again according to the construction standard or the actual requirement, especially in the construction of the box-shaped foundation, however, in the prior art, for example, the reinforcement structure of the steel pipe pile foundation recorded in CN201820433966.8 of the chinese utility model is mainly used for reinforcing the smaller single foundation and mainly adopts the structure of the steel pipe pile such as the longitudinal fixation, etc. to construct the foundation, which is different from the box-shaped foundation. Therefore, a technique capable of reinforcing the box foundation in the construction thereof is an important issue. In addition, parameters of construction in the reinforcing process are scientific and accurate, the reinforcing efficiency is high, and the requirements on details are met.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the heavy construction foundation reinforcing device which can reinforce the box-shaped foundation in the construction process.
The technical scheme adopted by the invention for solving the technical problems is as follows: the device comprises an operation server, a first storage space, a second storage space, a preparation operation server, a data transmission circuit and a plurality of test systems, wherein the test systems are all arranged in the space between foundation base partition walls and are communicated with the data transmission circuit; the operation server is used for acquiring the image information and the operable format data corresponding to the length information of the box-shaped foundation, analyzing the three-dimensional coordinate data of the box-shaped foundation and then calculating the reinforcing parameters of the box-shaped foundation according to the three-dimensional coordinate data of the box-shaped foundation; the first storage space is used for temporarily storing the computable format data corresponding to the image information and the length information of the box-shaped foundation; the second storage space is used for backing up and storing the computable format data corresponding to the image information and the length information of the box-shaped base; the preparatory operation server is used for converting the digital signals corresponding to the box-shaped basic image information and the length information into an operable data format and transmitting the data format to other servers or storage spaces; the data transmission circuit is used for transmitting the digital signals corresponding to the image information and the length information of the box-shaped foundation to a server or a storage space; the test system is used for testing and acquiring the image information and the length information of the box-shaped foundation, converting the image information and the length information into digital signals and transmitting the digital signals to the data transmission circuit; the test system comprises a test circuit and a test sensor, wherein the test circuit comprises an analog-to-digital conversion circuit module, a single-chip microcomputer control module and a communication module which are electrically connected.
In a preferred or optional embodiment, the concrete reinforcing system further comprises a reinforcing control system, wherein the reinforcing control system comprises a groove arranged around the box-shaped foundation, a liquid concrete conveying assembly arranged at the upper part of the groove and capable of sliding along the groove, and a reinforcing auxiliary groove arranged close to the inner wall of the box-shaped foundation, the liquid concrete conveying assembly comprises a pump body, a motor arranged in the pump body, and a pump pipe communicated with the pump body and capable of feeding concrete into the reinforcing auxiliary groove; the auxiliary reinforcing groove is divided into a plurality of single grooves in a main body mode, and the single grooves are made of elastic materials.
In a preferred or alternative embodiment, external end reinforcing steel bars are reserved during or after the construction of the box foundation wall, and at least one annular reinforcing steel bar is placed in each single groove correspondingly.
In a preferred or optional embodiment, the test sensor comprises an image sensor and a distance sensor, and the image sensor can be replaced by a camera; the image sensor is arranged at the upper part of the box-shaped foundation wall, and the distance sensor is arranged in the box-shaped foundation space.
In a preferred or optional embodiment, the analog-to-digital conversion circuit module adopts a weighted resistance type DAC circuit, the single chip microcomputer control module adopts a stm32 single chip microcomputer control circuit, and the communication module adopts a wireless communication circuit.
In a preferred or alternative embodiment, the calculation server environment configures a MATLAB service environment and configures a MATLAB service application of the calculation server.
In a preferred or optional embodiment, the test system tests and acquires the image information and the length information of the box-shaped foundation and converts the image information and the length information into digital signals to be transmitted to the data transmission circuit, specifically, the image information is acquired through the image sensor, identification code bits are marked on image digital signals of different time sequences and different sensors in the process of converting the image information into the digital signals, the length information is acquired through the distance sensor, and the identification code bits are marked on the length characterization digital signals of different time sequences and different sensors in the process of converting the length information into the digital signals.
In a preferred or optional embodiment, the operation server acquires the computable format data corresponding to the image information and the length information of the box-shaped foundation and analyzes the three-dimensional coordinate data of the box-shaped foundation, and then calculates the reinforcing parameters of the box-shaped foundation according to the three-dimensional coordinate data of the box-shaped foundation, specifically, acquires the computable format data corresponding to the image information and the length information of the box-shaped foundation and resolves and restores the original sensor physical address corresponding to the image information and the length information through the mark identification code bit in the original digital signal, but restores the actual position corresponding to the image information and the length information through the mapping table of the physical address of the original sensor and the actual position, so as to analyze the three-dimensional coordinate data of the box-shaped foundation; and calculating the position of the box-shaped foundation needing to be reinforced by using the stress and stress distribution of the positions of different box-shaped foundations in the three-dimensional coordinate data, and then outputting the position data needing to be reinforced to realize the calculation of the reinforcing parameters of the box-shaped foundation.
The invention has the advantages that the invention can realize reinforcement in the construction of the box-shaped foundation, and is specifically to configure an arithmetic server to acquire the image information and the operable format data corresponding to the length information of the box-shaped foundation and analyze the three-dimensional coordinate data of the box-shaped foundation, then, the reinforcing parameters of the box-shaped foundation are calculated according to the three-dimensional coordinate data of the box-shaped foundation, the box-shaped foundation is reinforced by the method, the reinforcement parameters obtained by calculation are more scientific and accurate, not only can meet the engineering requirements, but also can reduce the use of reinforcement materials, the method can meet the requirement of heavy construction on the foundation and maximally save consumables, in addition, the reinforcement parameter generation mode adopted by the method is automatically completed by the sensor and the server, and the efficiency of foundation reinforcement is greatly improved without manual measurement and calculation. The structure of the reinforcement control system and the principle of the construction method of the reinforcement control system are not available in the prior art, and the reinforcement control system can complete the work of reinforcing the foundation in cooperation with the reinforcement parameters of the operation server.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a block diagram of the components of an embodiment of the present application;
FIG. 2 is a block diagram of the circuit connections of the test circuit according to the embodiment of the present application;
FIG. 3 is a schematic and in particular a top view of a box-shaped infrastructure;
FIG. 4 is a schematic and particularly a side view of a box-shaped infrastructure;
FIG. 5 is a schematic view of a box-shaped foundation structure and a reinforcement control system;
FIG. 6 is a schematic view showing the structural composition of a reinforcing auxiliary groove portion;
in the figure: a box-shaped foundation 1; a distance sensor 2; an image sensor 3; a trench 4; a reinforcing auxiliary groove 5; a liquid concrete delivery assembly 6; a concrete material 41; a pump pipe 61 of concrete; a pump body 62; a motor 63; a single groove 51; the ring-shaped reinforcing bars 52; a box-shaped foundation space 11; a box-shaped foundation wall 12;
Detailed Description
In specific implementation, as shown in fig. 1-2, an embodiment of the present application includes an operation server, a first storage space, a second storage space, a preparation operation server, a data transmission circuit, and a plurality of test systems, where the test systems are all disposed in a space between foundation base partitions, the test systems are communicated with the data transmission circuit, the data transmission circuit is respectively connected with the operation server, the first storage space, the second storage space, and the preparation operation server, and the operation server is respectively connected with the first storage space, the second storage space, and the preparation operation server; the operation server is used for acquiring the image information and the operable format data corresponding to the length information of the box-shaped foundation, analyzing the three-dimensional coordinate data of the box-shaped foundation and then calculating the reinforcing parameters of the box-shaped foundation according to the three-dimensional coordinate data of the box-shaped foundation; the first storage space is used for temporarily storing the computable format data corresponding to the image information and the length information of the box-shaped foundation; the second storage space is used for backing up and storing the computable format data corresponding to the image information and the length information of the box-shaped base; the preparatory operation server is used for converting the digital signals corresponding to the box-shaped basic image information and the length information into an operable data format and transmitting the data format to other servers or storage spaces; the data transmission circuit is used for transmitting the digital signals corresponding to the image information and the length information of the box-shaped foundation to a server or a storage space; the test system is used for testing and acquiring the image information and the length information of the box-shaped foundation, converting the image information and the length information into digital signals and transmitting the digital signals to the data transmission circuit; the test system comprises a test circuit and a test sensor, as shown in fig. 2, the test circuit comprises an analog-to-digital conversion circuit module, a single-chip microcomputer control module and a communication module which are electrically connected; in implementation, a test circuit of the test system acquires the box-shaped basic image and the sensing information of the length, the test system is supported to acquire the box-shaped basic image and the sensing information of the length, and the test system converts the image information and the length information into digital signals and transmits the digital signals to the data transmission circuit; the data transmission circuit transmits the digital signals corresponding to the image information and the length information of the box-shaped foundation to a server or a storage space; the preparation operation server converts the digital signals corresponding to the box-shaped basic image information and the length information into an operable data format and transmits the data format to other servers or storage spaces; the first storage space temporarily stores the box-shaped basic image information and the computable format data corresponding to the length information; the second storage space is used for backing up the computable format data corresponding to the image information and the length information of the storage box-shaped base; the operation server acquires the operable format data corresponding to the image information and the length information of the box-shaped foundation and analyzes the three-dimensional coordinate data of the box-shaped foundation, and then the reinforcing parameters of the box-shaped foundation are calculated according to the three-dimensional coordinate data of the box-shaped foundation.
The embodiment of the application also comprises a reinforcement control system, as shown in fig. 5, the reinforcement control system comprises a groove 4 arranged around the box-shaped foundation, a liquid concrete conveying assembly 6 arranged at the upper part of the groove 4 and capable of sliding along the groove 4, and a reinforcement auxiliary groove 5 arranged close to the inner wall of the box-shaped foundation, wherein the liquid concrete conveying assembly 6 comprises a pump body 62, a motor 63 arranged in the pump body 62, and a pump pipe 61 communicated with the pump body 62 and capable of inputting concrete to the reinforcement auxiliary groove 5; the reinforcing auxiliary tank 5 is divided into a plurality of single tanks 51 in a main body, the material of each single tank 51 is elastic, in the implementation, different single tanks 51 have different numbers, the operation server calculates the reinforcing parameters of the box foundation according to the three-dimensional coordinate data of the box foundation, wherein the reinforcing parameters are concrete amounts which need to be compensated and correspond to the single tanks 51 with different numbers, so that in the implementation, the motor 63 sets specific working efficiency and working time according to the concrete amounts which need to be compensated and correspond to the single tanks 51 with different numbers, the motor 63 drives the pump body 62 to work, then the pump body 62 works to pump the concrete material 41 in the groove 4 into different single tanks 51 through the pump pipe 61, the filling amount of the elastic material supporting concrete of the single tanks 51 can be increased within a certain limit, and different amounts of concrete can be configured in different single tanks 51, after the concrete is dried, the inner wall of the box foundation can be reinforced, and the concrete can be actually compensated according to the concrete amount needing to be compensated corresponding to the single grooves 51 with different numbers in design so as to meet the requirement of three-dimensional coordinate data calculation of the box foundation.
In specific implementation, external end steel bars are reserved during or after the construction of the box-shaped foundation wall, and as shown in fig. 6, at least one annular steel bar 52 is correspondingly placed in each single groove 51; the external end steel bars are reserved in the implementation process mainly for the purpose that the concrete reinforced after the concrete is reinforced by subsequent compensation can form an integral structure with the steel bars, and at least one annular steel bar 52 is placed in each single groove 51, so that the annular steel bars 52 and the original reserved steel bars can be bound together before the concrete is reinforced, the concrete is reinforced in the implementation process, and the steel bars can be reserved again, so that the concrete can be further reinforced.
The test sensor comprises an image sensor 3 and a distance sensor 2, and the image sensor 3 can be replaced by a camera; as shown in fig. 4, referring to fig. 3, the image sensor 3 is provided at an upper portion of the box-shaped foundation wall 12, the distance sensor 2 is provided in the box-shaped foundation space 11, the image sensor 3 or the camera is used to collect image information from the upper portion of the box-shaped foundation wall 12, and the distance sensor 2 is provided in the box-shaped foundation space 11 to collect length information in the box-shaped foundation space 11.
In specific implementation, the analog-to-digital conversion circuit module adopts a weight resistance type DAC circuit, the single chip microcomputer control module adopts an stm32 single chip microcomputer control circuit, and the communication module adopts a wireless communication circuit; the weight resistance type DAC circuit is simple in structure, few in used resistance elements and low in cost, a tm32 single chip microcomputer is a 32-bit microprocessor integrated circuit, an inner core of the circuit is an Arm Cortex framework, and the circuit is large in I/O (input/output) ports and powerful in function; the wireless communication circuitry may be configured using the bluetooth protocol or other wireless protocols.
In specific implementation, the operation server environment configures an MATLAB service environment and configures an MATLAB service application of the operation server; the MATLAB service application supports high-level technical computing language and interactive environment of algorithm development, data visualization, data analysis and numerical computation, and the configuration of the computing server environment can meet the data processing requirements of functions and reduce development cost and difficulty.
In a specific implementation, the test system is used for obtaining image information and length information of a box foundation through test and converting the image information and the length information into digital signals and transmitting the digital signals to the data transmission circuit, specifically, identification code bits are marked on image digital signals of different time sequences and different sensors in the process of converting the image information into the digital signals through the image sensor, length information is obtained through the distance sensor, and the identification code bits are marked on length representation digital signals of different time sequences and different sensors in the process of converting the length information into the digital signals; the operation server acquires the operable format data corresponding to the image information and the length information of the box-shaped foundation and analyzes the three-dimensional coordinate data of the box-shaped foundation, and then calculates the reinforcing parameters of the box-shaped foundation according to the three-dimensional coordinate data of the box-shaped foundation, wherein the operable format data corresponding to the image information and the length information of the box-shaped foundation are acquired, the physical addresses of an original sensor corresponding to the image information and the length information are analyzed and restored through the mark identification code bits in an original digital signal, and the actual position corresponding to the image information and the length information is restored through a mapping table of the physical addresses of the original sensor and the actual position, so that the three-dimensional coordinate data of the box-shaped foundation are analyzed; and calculating the position of the box-shaped foundation needing to be reinforced by using the stress and stress distribution of the positions of different box-shaped foundations in the three-dimensional coordinate data, and then outputting the position data needing to be reinforced to realize the calculation of the reinforcing parameters of the box-shaped foundation.
Therefore, the above embodiment is specifically implemented in that the test circuit of the test system acquires the sensing information of the box-shaped base image and the length, and supports the test system to acquire the sensing information of the box-shaped base image and the length, after the test system acquires the image information through the image sensor, the test system marks the identification code bits to the image digital signals of different time sequences and different sensors in the process of converting the image information into the digital signals, acquires the length information through the distance sensor, and marks the identification code bits to the length characterization digital signals of different time sequences and different sensors in the process of converting the length information into the digital signals; the data transmission circuit transmits the digital signals corresponding to the image information and the length information of the box-shaped foundation to a server or a storage space; the preparation operation server converts the digital signals corresponding to the box-shaped basic image information and the length information into an operable data format and transmits the data format to other servers or storage spaces; the first storage space temporarily stores the box-shaped basic image information and the computable format data corresponding to the length information; the second storage space is used for backing up the computable format data corresponding to the image information and the length information of the storage box-shaped base; the operation server acquires the operable format data corresponding to the image information and the length information of the box-shaped foundation and resolves and restores the physical address of the original sensor corresponding to the image information and the length information through the mark identification code bit in the original digital signal, but resolves and restores the actual position corresponding to the image information and the length information through the mapping table of the physical address of the original sensor and the actual position, so that the three-dimensional coordinate data of the box-shaped foundation is resolved; and calculating the position of the box-shaped foundation needing to be reinforced by using the stress and stress distribution of the positions of different box-shaped foundations in the three-dimensional coordinate data, and then outputting the position data needing to be reinforced to realize the calculation of the reinforcing parameters of the box-shaped foundation.
In summary, the present application can realize reinforcement in construction of the box foundation, and specifically configure the operation server to obtain the image information and the computable format data corresponding to the length information of the box foundation and analyze the three-dimensional coordinate data of the box foundation, then, the reinforcing parameters of the box-shaped foundation are calculated according to the three-dimensional coordinate data of the box-shaped foundation, the box-shaped foundation is reinforced by the method, the reinforcement parameters obtained by calculation are more scientific and accurate, the engineering requirements can be met, the use of reinforcement materials can be reduced (because the traditional technology does not have calculation or has rough calculation), the method can meet the requirement of heavy construction on the foundation and maximally save consumables, in addition, the reinforcement parameter generation mode adopted by the method is automatically completed by the sensor and the server, and the efficiency of foundation reinforcement is greatly improved without manual measurement and calculation.
Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present invention and not to limit the same; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.
Claims (7)
1. The utility model provides a heavy construction foundation reinforcing apparatus which characterized in that: the device comprises a reinforcement control system, wherein the reinforcement control system comprises a groove arranged around a box-shaped foundation, a liquid concrete conveying assembly arranged at the upper part of the groove and capable of sliding along the groove, and a reinforcement auxiliary groove arranged close to the inner wall of the box-shaped foundation, wherein the liquid concrete conveying assembly comprises a pump body, a motor arranged in the pump body, and a pump pipe communicated with the pump body and capable of inputting concrete into the reinforcement auxiliary groove; the reinforcing auxiliary groove is divided into a plurality of single grooves in a main body manner, and each single groove is made of an elastic material;
the test system is communicated with the data transmission circuit, the data transmission circuit is respectively connected with the operation server, the first storage space, the second storage space and the preparation operation server, and the operation server is respectively connected with the first storage space, the second storage space and the preparation operation server; the operation server is used for acquiring the image information and the operable format data corresponding to the length information of the box-shaped foundation, analyzing the three-dimensional coordinate data of the box-shaped foundation and then calculating the reinforcing parameters of the box-shaped foundation according to the three-dimensional coordinate data of the box-shaped foundation; the first storage space is used for temporarily storing the computable format data corresponding to the image information and the length information of the box-shaped foundation; the second storage space is used for backing up and storing the computable format data corresponding to the image information and the length information of the box-shaped base; the preparatory operation server is used for converting the digital signals corresponding to the box-shaped basic image information and the length information into an operable data format and transmitting the data format to other servers or storage spaces; the data transmission circuit is used for transmitting the digital signals corresponding to the image information and the length information of the box-shaped foundation to a server or a storage space; the test system is used for testing and acquiring the image information and the length information of the box-shaped foundation, converting the image information and the length information into digital signals and transmitting the digital signals to the data transmission circuit; the test system comprises a test circuit and a test sensor, wherein the test circuit comprises an analog-to-digital conversion circuit module, a single-chip microcomputer control module and a communication module which are electrically connected.
2. The heavy construction foundation reinforcing apparatus of claim 1, wherein: and (3) reserving reinforcing steel bars at the outer end in or after the construction of the box-shaped foundation wall, and placing at least one annular reinforcing steel bar in each corresponding single groove.
3. The heavy construction foundation reinforcing apparatus of claim 1, wherein: the test sensor comprises an image sensor and a distance sensor, wherein the image sensor is arranged at the upper part of the box-shaped foundation wall, and the distance sensor is arranged in the box-shaped foundation space.
4. The heavy construction foundation reinforcing apparatus of claim 1, wherein: the analog-to-digital conversion circuit module adopts a weight resistance type DAC circuit, the single chip microcomputer control module adopts an stm32 single chip microcomputer control circuit, and the communication module adopts a wireless communication circuit.
5. The heavy construction foundation reinforcing apparatus of claim 1, wherein: the compute server environment configures the MATLAB service environment and configures the MATLAB service application of the compute server.
6. The heavy construction foundation reinforcing apparatus of claim 1, wherein: the test system is used for obtaining image information and length information of a box-shaped foundation through test and converting the image information and the length information into digital signals and transmitting the digital signals to the data transmission circuit.
7. The heavy construction foundation reinforcing apparatus of claim 1, wherein: the operation server acquires the operable format data corresponding to the image information and the length information of the box-shaped foundation and analyzes the three-dimensional coordinate data of the box-shaped foundation, and then calculates the reinforcing parameters of the box-shaped foundation according to the three-dimensional coordinate data of the box-shaped foundation, wherein the operable format data corresponding to the image information and the length information of the box-shaped foundation are acquired, the physical addresses of an original sensor corresponding to the image information and the length information are analyzed and restored through the mark identification code bits in an original digital signal, and the actual position corresponding to the image information and the length information is restored through a mapping table of the physical addresses of the original sensor and the actual position, so that the three-dimensional coordinate data of the box-shaped foundation are analyzed; and calculating the position of the box-shaped foundation needing to be reinforced by using the stress and stress distribution of the positions of different box-shaped foundations in the three-dimensional coordinate data, and then outputting the position data needing to be reinforced to realize the calculation of the reinforcing parameters of the box-shaped foundation.
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| CN202010834646.5A CN111926869B (en) | 2020-08-19 | 2020-08-19 | Heavy construction foundation reinforcing apparatus |
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| CN202010834646.5A CN111926869B (en) | 2020-08-19 | 2020-08-19 | Heavy construction foundation reinforcing apparatus |
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| CN111926869B true CN111926869B (en) | 2021-11-12 |
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| JPH09209382A (en) * | 1996-02-01 | 1997-08-12 | Fujita Corp | Prevention device for floating-up of structure skeleton |
| CN1145439A (en) * | 1996-08-02 | 1997-03-19 | 丛蔼森 | Foundation supporting-changing method for grand building |
| CN102149885A (en) * | 2008-07-21 | 2011-08-10 | 环球防护系统公司 | Construction block |
| CN201268853Y (en) * | 2008-09-19 | 2009-07-08 | 中冶成工建设有限公司工程技术分公司 | Box type girder for foundation pile statical test loading reaction test system |
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