CN112283507B - High-precision pre-embedding installation method for flange of group flow-making pump in special-shaped concrete structure - Google Patents
High-precision pre-embedding installation method for flange of group flow-making pump in special-shaped concrete structure Download PDFInfo
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- CN112283507B CN112283507B CN202011125237.4A CN202011125237A CN112283507B CN 112283507 B CN112283507 B CN 112283507B CN 202011125237 A CN202011125237 A CN 202011125237A CN 112283507 B CN112283507 B CN 112283507B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M9/00—Special layout of foundations with respect to machinery to be supported
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The invention relates to a high-precision pre-buried installation method for flanges of a group flow-making pump in a special-shaped concrete structure, which comprises the following steps: positioning the pre-buried position of each flow-making pump flange in the arrangement area of the group flow-making pump equipment; installing a flange bracket at each pre-embedded position; performing first concrete pouring and forming a first structure which is positioned below the flange of the flow-making pump and used for fixing the flange bracket; mounting each flow-making pump flange on the corresponding flange bracket at a designed elevation position corresponding to the flow-making pump flange; and carrying out second concrete pouring on the first structure to form a second structure, fixing each flow-making pump flange through the second structure, forming a plurality of channels respectively communicated with each group of flow-making pump flanges between the first structure and the second structure, and arranging installation spaces for installing the flow-making pump equipment on the channels. The pre-burying installation method simplifies pre-burying construction difficulty and ensures pre-burying precision and strength.
Description
Technical Field
The invention relates to the field of installation and construction of group flow-making pumps, in particular to a high-precision pre-buried installation method of group flow-making pump flanges in a special-shaped concrete structure.
Background
Because large-scale flow making pump experimental facilities usually need to arrange and lay multiunit flow making pump equipment, and flow making pump equipment often produces great vibration in the course of operating, in order to guarantee that flow making pump equipment keeps the stability unchangeable in the course of operating, need make flow pump flange that water inlet set up at both ends of pump equipment pre-embed in concrete structure, and form the channel communicated with water inlet, therefore the concrete structure is a heteromorphic body, because the structure of the heteromorphic body is comparatively complicated, it is difficult to realize the concrete and pour once; in addition, the difficulty of embedding the flow making pump flanges in groups is that the flow making pump flanges are embedded in rows, the requirements on relative positions and installation accuracy between the flow making pump flanges are strict, the large high-accuracy flow making pump flanges are large in size and heavy in self weight, the installation and fixing accuracy of the flow making pump flanges plays a critical role in the installation accuracy of test equipment, and meanwhile installation of a flow making pump machine and a connecting pipe in the later period is influenced, so that the embedding construction difficulty of the flow making pump flanges in groups is very high.
Disclosure of Invention
In order to solve the problems, the invention provides a high-precision pre-buried installation method for group flow-making pump flanges in a special-shaped concrete structure, which simplifies the construction difficulty and ensures the installation and fixation precision of the flow-making pump flanges.
The invention is realized by the following technical scheme: a high-precision pre-embedding installation method for flanges of a group flow-making pump in a special-shaped concrete structure comprises the following steps:
positioning the pre-buried position of each flow-making pump flange in the arrangement area of the group flow-making pump equipment;
mounting a flange bracket for supporting the flow-making pump flange at each embedded position;
performing first concrete pouring on the arrangement area and forming a first structure below the flange of the flow-making pump, and fixing the flange bracket through the first structure;
installing each flow-making pump flange on the corresponding flange bracket at a designed elevation position corresponding to the flow-making pump flange;
and carrying out second concrete pouring on the first structure to form a second structure, fixing each flow-making pump flange through the second structure, forming a plurality of channels respectively communicated with each group of flow-making pump flanges between the first structure and the second structure, and arranging installation spaces for installing the flow-making pump equipment on the channels corresponding to the areas between the corresponding groups of flow-making pump flanges.
According to the high-precision pre-buried installation method for the group flow-making pump flange in the special-shaped concrete structure, concrete is poured twice, the pouring difficulty is simplified, the special-shaped concrete structure with the group flow-making pump flange pre-buried is convenient to form, stability of flow-making pump equipment in the operation process is further guaranteed, the flow-making pump flange is positioned and installed through the flange support, and the installation and fixing precision of the flow-making pump flange is guaranteed.
The invention further improves the high-precision pre-buried installation method of the flange of the group flow-making pump in the special-shaped concrete structure, and comprises the following steps:
after the flanges of the drainage pumps are installed and before the second concrete pouring is carried out, building a jig frame above the first structure at the position corresponding to each channel, laying a formwork around the jig frame, and enabling the formwork to be matched with the shape of the corresponding second structure;
and after the concrete strength of the second structure meets the requirement, dismantling the jig frame.
The invention further improves the high-precision pre-buried installation method of the flange of the group flow-making pump in the special-shaped concrete structure, and comprises the following steps: the diameter of the channel is gradually increased outwards from the corresponding group of the flow making pump flanges.
The invention further improves the high-precision pre-buried installation method of the flange of the group flow-making pump in the special-shaped concrete structure, and comprises the following steps:
the top of the flange bracket is provided with an adjusting seat, and a pipe bracket for supporting the flange of the flow-making pump is fixed on the adjusting seat;
when the flange support is installed, roughly adjusting the adjusting seat, and enabling the elevation of the pipe bracket and the designed elevation of the flange of the flow-making pump to be within a certain error range;
enabling the top elevation of the first structure to be lower than the bottom elevation of the adjusting seat during the first concrete pouring;
when the flanges of the flow-making pumps are installed on the corresponding flange supports, the adjusting seats are finely adjusted to enable the flanges of the flow-making pumps to be located at the designed elevation.
The invention further improves the high-precision pre-buried installation method of the flange of the group flow-making pump in the special-shaped concrete structure, and comprises the following steps:
before the adjusting seat is finely adjusted, connecting pipes are connected between each group of flow-making pump flanges, so that each group of flow-making pump flanges and the corresponding connecting pipe form an integral unit, and a hydraulic jack is arranged below the connecting pipes;
when the adjusting seat is finely adjusted, the adjusting seat is adjusted in a manner of matching with the extension and contraction of the hydraulic jack, and the integral unit is kept on the same horizontal line;
and after the strength of the concrete of the second structure meets the requirement, the connecting pipe is dismantled.
The invention further improves the high-precision pre-buried installation method of the flange of the group flow-making pump in the special-shaped concrete structure, and comprises the following steps:
before the pre-buried positions of the flanges of the flow-making pumps are positioned in the arrangement area of the group flow-making pump equipment, a scaffold is erected in the arrangement area, a formwork is laid on the top of the scaffold, and concrete is poured on the formwork to form a construction surface covering the arrangement area.
The invention further improves the high-precision pre-buried installation method of the flange of the group flow-making pump in the special-shaped concrete structure, and comprises the following steps: when the pre-buried positions of the flanges of the flow-making pumps are located in the arrangement area of the group flow-making pump equipment, the total station is used for locating the pre-buried positions by adopting a cross lofting method.
The invention further improves the high-precision pre-buried installation method of the flange of the group flow-making pump in the special-shaped concrete structure, and comprises the following steps:
a plurality of ash pouring holes are formed in the flange of the flow making pump;
and when the concrete is poured for the second time, the second structure is tightly combined with the flow-making pump flange through the plurality of the cement pouring holes.
Drawings
Fig. 1 is a plan view of a special-shaped concrete structure for embedding a flange of a flow-making pump in the invention.
Figure 2 is a cross-sectional view a-a of the profiled concrete structure of figure 1.
FIG. 3 is a sectional view showing the construction state after the flanges of the respective flow-generating pumps are installed and before the second concrete pouring is performed in the present invention.
FIG. 4 is a sectional view showing a state after the completion of the construction of the deformed concrete structure according to the present invention.
Fig. 5 is a schematic structural view of a flange bracket according to the present invention.
FIG. 6 is a schematic view showing the distribution of the dust-pouring holes on the flange of the flow-making pump according to the present invention.
Detailed Description
Because large-scale pump experimental facilities of making a class need arrange usually and lay multiunit pump equipment of making a class, and make a class pump equipment often produce great vibration in the operation, in order to guarantee that the pump equipment of making a class pump keeps the stability unchangeable in the operation, need make the pump flange of making a class pump that sets up of the water inlet department in both ends of pump equipment of making a class pump pre-buried to the concrete structure in, this concrete structure is the heteromorphism, it is big to pour the degree of difficulty, and because relative position and installation accuracy between each make class pump flange require rigorously, and the volume of huge high accuracy pump flange of making a class pump is great, self weight is heavier, lead to making the pre-buried construction degree of difficulty of pump flange very big to the group. The invention provides a high-precision pre-buried installation method of a group flow-making pump flange in a special-shaped concrete structure, which simplifies the pouring difficulty of the special-shaped concrete structure and can ensure the installation and fixation precision of the flow-making pump flange.
The following describes a high-precision pre-buried installation method of a group flow-making pump flange in a special-shaped concrete structure, with reference to the accompanying drawings and specific embodiments.
A high-precision pre-embedding installation method for flanges of a group flow-making pump in a special-shaped concrete structure comprises the following steps:
step 1, referring to fig. 1 to 3, positioning a pre-buried position 11 of each flow-making pump flange in an arrangement area 10 of a group of flow-making pump devices.
Specifically, the method comprises the following steps: before the pre-buried positions 11 of the flow-making pump flanges are positioned in the arrangement area 10 of the group flow-making pump equipment, a full scaffold 41 is erected in the arrangement area 10, so that the scaffold 41 can bear the sum of the weight of each flow-making pump flange 21, the weight of each flange bracket 42, the weight of the first structure 31, the weight of the second structure 32 and the self weight of the scaffold 41 to meet the integral supporting requirement;
after the scaffold 41 is accepted, a template is laid on the top of the scaffold 41, so that a construction surface covering the whole arrangement area 10 is formed, in order to avoid the scaffold 41 from shaking due to stress, concrete is poured on the template in a layering manner to form a step-shaped construction surface, so that garbage generated in the construction process is easy to clean, construction joints do not influence the erection of a next frame body, and the construction period is not influenced;
utilize the measuring equipment of high accuracy to make the pre-buried position 11 of pump flange to fix a position on this construction face, specifically: utilize the total powerstation to adopt the coordinate position of cross lofting method location pre-buried steel sheet as this measuring equipment, make the plane positioning error and the elevation error of each pre-buried steel sheet within 3mm, when guaranteeing that each should make the pump flange 21 of later stage installation, each should make the pump flange 21 at the error minimum of horizontal direction and vertical direction, improve the installation accuracy.
And 2, mounting a flange bracket 42 for supporting the flow-making pump flange 21 at each pre-buried position 11.
Specifically, the method comprises the following steps: referring to fig. 5, the flange bracket 42 is a rectangular steel lattice column, and includes four upright columns 421, and a rectangular adjusting seat 422 connected to the tops of the four upright columns 421, and two U-shaped pipe holders 423 for respectively supporting two ends of the flow-making pump flange 21 are relatively fixed on the adjusting seat 422; paying off the embedded steel plates, drawing a positioning reference line corresponding to the upright 421, and positioning the flange bracket 42 on the embedded steel plates according to the positioning reference line; the adjusting seat 422 is roughly adjusted, the elevation of the two pipe brackets 423 and the designed elevation of the flow making pump flange 21 are within the error range of 5mm, meanwhile, the positioning axis and the elevation of the flange support 42 are adjusted by using a prism and a total station in the installation process, the installation verticality error of the flange support 42 is controlled within 3mm, all the upright columns 421 are fixed after the adjustment is finished, and the installation of the flange support 42 is completed.
And 3, performing first concrete pouring on the arrangement area 10 to form a first structure 31 positioned below the flow making pump flange 21, and fixing the flange bracket 42 through the first structure 31.
Specifically, when the concrete is poured for the first time, the top elevation of the first structure 31 corresponding to the position of each set of the flange supports 42 should not exceed the bottom elevation of the adjusting seat 422, and should preferably be flush with the bottom elevation of the adjusting seat 422, so that the stability of the flange supports 42 can be ensured, and the subsequent adjustment cannot be affected by covering the adjusting seat 422.
And 4, mounting each flow-making pump flange 21 on the corresponding flange bracket 42 at a designed elevation position corresponding to the flow-making pump flange 21.
Specifically, after the concrete strength of the first structure 31 meets the requirement, the positioning axis of each set of the flow-generating pump flange 21 is discharged in advance on the adjusting seat 422, the central point is marked by an ink fountain elastic line, a prism is placed at the central point of the tops of the two ends of the flow-generating pump flange 21, the flow-generating pump flange 21 is installed on the pipe bracket 423, and the adjusting seat 422 is finely adjusted after installation, so that each set of the flow-generating pump flanges 21 is kept on the same horizontal line.
Step 5, as shown in fig. 4, performing a second concrete pouring on the first structure 31 to form a second structure 32, fixing each of the flow generation pump flanges 21 by the second structure 32, forming a plurality of channels 33 respectively communicating with each of the sets of flow generation pump flanges 21 between the first structure 31 and the second structure 32, and forming an installation space 34 for installing the flow generation pump equipment on the channel 33 corresponding to the area between the corresponding sets of flow generation pump flanges 21.
Specifically, the method comprises the following steps: after the flanges 21 of the flow-making pump are installed and before the second concrete pouring, a jig frame 43 is erected above the first structure 31 at a position corresponding to each passage 33, a formwork is laid around the jig frame 43, and the formwork is matched with the shape of the second structure 32; a second concrete pour is performed on the first structure 31 along the formwork; after the concrete strength of the second structure 32 is met, the jig frame 43 is removed. By the erection of the jig frame 43, the formation of the respective passages 33 and the installation space 34 is ensured. In order to prevent the impact of water flow at the water inlet when the flow-generating pump device is operated, the diameter of the channel 33 is preferably gradually increased from the corresponding set of the flow-generating pump flange 21 relatively outwards.
According to the high-precision pre-buried installation method for the group flow-making pump flange in the special-shaped concrete structure, concrete is poured twice, the pouring difficulty is simplified, the special-shaped concrete structure with the group flow-making pump flange pre-buried is convenient to form, stability of flow-making pump equipment in the operation process is further guaranteed, the flow-making pump flange is positioned and installed through the flange support, and the installation and fixing precision of the flow-making pump flange is guaranteed.
As a preferred embodiment: before the adjusting seat 422 is finely adjusted, connecting pipes 22 are connected between each group of the flow-making pump flanges 21 (and the installation space 34), so that each group of the flow-making pump flanges 21 and the corresponding connecting pipe 22 form an integral unit, and a hydraulic jack 44 is supported below the connecting pipe 22;
when the adjusting seat 422 is finely adjusted, the adjusting seat 422 is adjusted by matching with the extension and contraction of the hydraulic jack 44, and the integral unit is kept on the same horizontal line;
after the concrete strength of the second structure 32 is satisfied, the connecting pipe 22 is removed.
Through the dismouting of connecting pipe 22, can be more convenient and accurate the adjustment every group should make the mounted position of flow pump flange 21, improve the installation accuracy.
As a preferred embodiment:
referring to fig. 6, the flange 21 of the flow-making pump is provided with a plurality of ash pouring holes 213;
in the second concrete pouring, the second structure 32 is tightly coupled to the casting pump flange 21 through the plurality of mortar injection holes 213.
Specifically, the flow-making pump flange 21 includes an annular plate 211 at an end portion and annular ribs 212 arranged at intervals in the circumferential direction and the radial direction of the flow-making pump flange 21, and an internal corner is formed at an intersection point of the circumferential annular rib and the radial annular rib, so that concrete cannot sufficiently contact with the flow-making pump flange 21 during the second concrete pouring, in this embodiment, a plurality of mortar pouring holes 213 are formed at intervals in the circumferential direction on the annular plate 211, and the mortar pouring holes 213 are also formed at the internal corners of the annular ribs 212, and the diameter of the mortar pouring holes 213 is preferably 5 cm.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (8)
1. A high-precision pre-buried installation method for flanges of a group flow-making pump in a special-shaped concrete structure is characterized by comprising the following steps:
positioning the pre-buried position of each flow-making pump flange in the arrangement area of the group flow-making pump equipment;
mounting a flange bracket for supporting the flow-making pump flange at each embedded position;
performing first concrete pouring on the arrangement area and forming a first structure below the flange of the flow-making pump, and fixing the flange bracket through the first structure;
installing each flow-making pump flange on the corresponding flange bracket at a designed elevation position corresponding to the flow-making pump flange;
and carrying out second concrete pouring on the first structure to form a second structure, fixing each flow-making pump flange through the second structure, forming a plurality of channels respectively communicated with each group of flow-making pump flanges between the first structure and the second structure, and arranging installation spaces for installing the flow-making pump equipment on the channels corresponding to the areas between the corresponding groups of flow-making pump flanges.
2. The high-precision pre-buried installation method of the group flow-making pump flange in the special-shaped concrete structure as claimed in claim 1, is characterized in that:
after the flanges of the drainage pumps are installed and before the second concrete pouring is carried out, building a jig frame above the first structure at the position corresponding to each channel, laying a formwork around the jig frame, and enabling the formwork to be matched with the shape of the corresponding second structure;
and after the concrete strength of the second structure meets the requirement, dismantling the jig frame.
3. The high-precision pre-buried installation method of the group flow-making pump flange in the special-shaped concrete structure as claimed in claim 2, characterized in that: the diameter of the channel is gradually increased outwards from the corresponding group of the flow making pump flanges.
4. The high-precision pre-buried installation method of the group flow-making pump flange in the special-shaped concrete structure as claimed in claim 1, is characterized in that:
the top of the flange bracket is provided with an adjusting seat, and a pipe bracket for supporting the flange of the flow-making pump is fixed on the adjusting seat;
when the flange support is installed, roughly adjusting the adjusting seat, and enabling the elevation of the pipe bracket and the designed elevation of the flange of the flow-making pump to be within a certain error range;
enabling the top elevation of the first structure to be lower than the bottom elevation of the adjusting seat during the first concrete pouring;
when the flanges of the flow-making pumps are installed on the corresponding flange supports, the adjusting seats are finely adjusted to enable the flanges of the flow-making pumps to be located at the designed elevation.
5. The high-precision pre-buried installation method of the group flow-making pump flange in the special-shaped concrete structure as claimed in claim 4, is characterized in that:
before the adjusting seat is finely adjusted, connecting pipes are connected between each group of flow-making pump flanges, so that each group of flow-making pump flanges and the corresponding connecting pipe form an integral unit, and a hydraulic jack is arranged below the connecting pipes;
when the adjusting seat is finely adjusted, the adjusting seat is adjusted in a manner of matching with the extension and contraction of the hydraulic jack, and the integral unit is kept on the same horizontal line;
and after the strength of the concrete of the second structure meets the requirement, the connecting pipe is dismantled.
6. The high-precision pre-buried installation method of the group flow-making pump flange in the special-shaped concrete structure as claimed in claim 1, is characterized in that:
before the pre-buried positions of the flanges of the flow-making pumps are positioned in the arrangement area of the group flow-making pump equipment, a scaffold is erected in the arrangement area, a formwork is laid on the top of the scaffold, and concrete is poured on the formwork to form a construction surface covering the arrangement area.
7. The high-precision pre-buried installation method of the group flow-making pump flange in the special-shaped concrete structure as claimed in claim 1, is characterized in that: when the pre-buried positions of the flanges of the flow-making pumps are located in the arrangement area of the group flow-making pump equipment, the total station is used for locating the pre-buried positions by adopting a cross lofting method.
8. The high-precision pre-buried installation method of the group flow-making pump flange in the special-shaped concrete structure as claimed in claim 1, is characterized in that:
a plurality of ash pouring holes are formed in the flange of the flow making pump;
and when the concrete is poured for the second time, the second structure is tightly combined with the flow-making pump flange through the plurality of the cement pouring holes.
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| CN202011125237.4A CN112283507B (en) | 2020-10-20 | 2020-10-20 | High-precision pre-embedding installation method for flange of group flow-making pump in special-shaped concrete structure |
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| CN202011125237.4A CN112283507B (en) | 2020-10-20 | 2020-10-20 | High-precision pre-embedding installation method for flange of group flow-making pump in special-shaped concrete structure |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0434161A (en) * | 1990-05-31 | 1992-02-05 | Kabuki Kensetsu Kk | Centrifugally molded hollow pc concrete column and column construction method |
| JPH1088646A (en) * | 1996-09-17 | 1998-04-07 | Maeda Corp | Method of installation of concrete structure |
| CN102162305A (en) * | 2011-05-16 | 2011-08-24 | 江苏兴邦建工集团有限公司 | Construction process for installing elastic slippage shock isolation support |
| US8468766B1 (en) * | 2012-02-15 | 2013-06-25 | LEK Innovations, LLC | Precast concrete flange connection and method of use |
| CN203514398U (en) * | 2013-08-26 | 2014-04-02 | 南京蓝深制泵(集团)股份有限公司 | Installation device for tubular pump |
| CN104314836A (en) * | 2014-10-02 | 2015-01-28 | 扬州大学 | High-efficiency two-way pump device turning integrally by using water pump, construction method and application |
| CN105839786A (en) * | 2016-03-18 | 2016-08-10 | 中国建筑第八工程局有限公司 | Air-supported membrane building concrete anchor bolt pre-buried structure and construction method thereof |
| CN209760284U (en) * | 2019-03-14 | 2019-12-10 | 保定腾辉光电科技有限公司 | Commercial power street lamp foundation device under bridge environment |
| CN110644421A (en) * | 2019-10-17 | 2020-01-03 | 珠江水利委员会珠江水利科学研究院 | Construction structure for manufacturing harbor basin wave flow |
| CN209891234U (en) * | 2019-01-30 | 2020-01-03 | 山西三建集团有限公司 | Accurate positioning mechanism for embedded foundation bolt of steel pipe column concrete foundation |
-
2020
- 2020-10-20 CN CN202011125237.4A patent/CN112283507B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0434161A (en) * | 1990-05-31 | 1992-02-05 | Kabuki Kensetsu Kk | Centrifugally molded hollow pc concrete column and column construction method |
| JPH1088646A (en) * | 1996-09-17 | 1998-04-07 | Maeda Corp | Method of installation of concrete structure |
| CN102162305A (en) * | 2011-05-16 | 2011-08-24 | 江苏兴邦建工集团有限公司 | Construction process for installing elastic slippage shock isolation support |
| US8468766B1 (en) * | 2012-02-15 | 2013-06-25 | LEK Innovations, LLC | Precast concrete flange connection and method of use |
| CN203514398U (en) * | 2013-08-26 | 2014-04-02 | 南京蓝深制泵(集团)股份有限公司 | Installation device for tubular pump |
| CN104314836A (en) * | 2014-10-02 | 2015-01-28 | 扬州大学 | High-efficiency two-way pump device turning integrally by using water pump, construction method and application |
| CN105839786A (en) * | 2016-03-18 | 2016-08-10 | 中国建筑第八工程局有限公司 | Air-supported membrane building concrete anchor bolt pre-buried structure and construction method thereof |
| CN209891234U (en) * | 2019-01-30 | 2020-01-03 | 山西三建集团有限公司 | Accurate positioning mechanism for embedded foundation bolt of steel pipe column concrete foundation |
| CN209760284U (en) * | 2019-03-14 | 2019-12-10 | 保定腾辉光电科技有限公司 | Commercial power street lamp foundation device under bridge environment |
| CN110644421A (en) * | 2019-10-17 | 2020-01-03 | 珠江水利委员会珠江水利科学研究院 | Construction structure for manufacturing harbor basin wave flow |
Non-Patent Citations (1)
| Title |
|---|
| 大型群组地脚螺栓三维可调式整体预埋技术研究;梁复;《施工技术》;20111130;第60-62页 * |
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