CN210827615U - Foundation pile static load experiment displacement observation benchmark device - Google Patents
Foundation pile static load experiment displacement observation benchmark device Download PDFInfo
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- CN210827615U CN210827615U CN201921267992.9U CN201921267992U CN210827615U CN 210827615 U CN210827615 U CN 210827615U CN 201921267992 U CN201921267992 U CN 201921267992U CN 210827615 U CN210827615 U CN 210827615U
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Abstract
The utility model discloses a foundation pile static load experiment displacement observation benchmark device, which comprises two benchmark piles arranged at intervals; one end of the reference beam is fixed on one reference pile, and the other end of the reference beam is hinged to the other reference pile; the observation component is used for displacement change of the foundation pile in a static load experiment; the datum beam comprises main beam bodies in a segmented structure, and the main beam bodies are connected through a direct fastener; the utility model has the advantages that: the girder body sets up the segmentation structure, makes up and dismantles it through direct fastener, and the connection of benchmark stake and benchmark roof beam is swift convenient, only needs just alone can erect the installation to displacement observation benchmark device, does not influence the precision of observing, very big improvement displacement observation benchmark device's convenience.
Description
Technical Field
The utility model relates to a building engineering foundation pile detection technology especially relates to a foundation pile self-balancing static test displacement observation benchmark device.
Background
The static load test is a test method for determining the vertical compression bearing capacity, the vertical uplift bearing capacity and the horizontal bearing capacity of the corresponding pile foundation or foundation by applying vertical pressure, vertical uplift force or horizontal thrust on the pile foundation or foundation gradually or circularly and observing the settlement, uplift displacement or horizontal displacement of the top of the pile foundation or foundation along with time. Static load test is the current direct method for obtaining the bearing capacity of foundation and pile foundation. The displacement measuring device mainly comprises a reference pile, a reference beam and a dial indicator or a displacement sensor.
The existing foundation pile self-balancing static test displacement observation reference device is heavy and laggard, and more than 2 persons are needed to be installed and erected in the process of erecting the test displacement observation reference device; and the precision of the generated displacement observation data is not high due to the condition limitation of the original reference device in the test process, thereby influencing the accuracy of the detection data. The utility model discloses a chinese utility model with publication number CN209053139U discloses a foundation pile static test benchmark roof beam, including benchmark roof beam main part, support and bracing piece, benchmark roof beam main part includes first benchmark roof beam, second benchmark roof beam and strengthening rib, first benchmark roof beam and the same and parallel arrangement of second benchmark roof beam size, fixedly connected with strengthening rib between first benchmark roof beam and the second benchmark roof beam, the first benchmark roof beam of strengthening rib perpendicular to and second benchmark roof beam, the bracing piece is located the middle part of second benchmark roof beam to can dismantle with second benchmark roof beam and be connected, the support is located the both ends of benchmark roof beam main part, and perpendicular to benchmark roof beam main part. The foundation pile static test reference beam has the problems of complex installation and more personnel required for installation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a foundation pile static test displacement observation benchmark device, through setting the girder body in the benchmark roof beam into the segmental mode, can effectively solve foundation pile static test displacement observation benchmark device loaded down with trivial details problem of installation.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a foundation pile static load experiment displacement observation reference device comprises two reference piles which are arranged at intervals; one end of the reference beam is fixed on one reference pile, and the other end of the reference beam is hinged to the other reference pile; the observation component is used for displacement change of the foundation pile in a static load experiment; the datum beam comprises main beam bodies in a segmented structure, and the main beam bodies are connected through direct fasteners. The girder body sets up the segmentation structure, makes up and dismantles it through direct fastener, and the connection of benchmark stake and benchmark roof beam is swift convenient, only needs just alone can erect the installation to displacement observation benchmark device, does not influence the precision of observing, very big improvement displacement observation benchmark device's convenience.
Preferably, the end part of the reference pile is connected with a pointed head for burying the reference pile; the tip of the tip is thicker and stronger than the other faces of the tip. The pointed end part of benchmark stake need go deep into the observation foundation pile, therefore the thickness and the intensity of pointed end need strengthen and the thickening, the burying underground of the benchmark stake of being convenient for, benchmark stake upper end top increases thickness and intensity, is convenient for hit and beats or big pressure and penetrates.
Preferably, after the main beam body is combined, one end of the main beam body is connected with one of the reference piles through a right-angle fastener, the other end of the main beam body is connected with a connecting beam body, and the connecting beam body is connected with the reference pile through a connecting rod. One end of the main beam body needs to be connected with the reference pile, the connecting beam body connected with the other end is movably connected with the connecting rod on the reference pile, and therefore the main beam body can flexibly adapt to the environment needing to be observed, and the precision of displacement observation data testing is improved.
Furthermore, one end of the connecting rod is connected with a connecting block, an opening is formed in the end face of the connecting block, and a groove is formed in the opening and used for being connected to the connecting beam body. The opening and the groove are arranged so that the connecting beam body is movably connected with the connecting rod, the structure is simple and convenient, and the production cost of the displacement observation reference device is reduced.
Furthermore, the shape of the groove is spherical, and a sphere extending into the groove is arranged on the connecting beam body. The spherical connecting beam body can be flexibly adjusted in angle in the groove of the connecting rod, the structure is simplified, and the flexibility of the displacement observation reference device is improved.
Further, the cross section of the opening is smaller than that of the groove. Set up aim at like this and prevent that the connecting beam body from deviating from in the connecting block of connecting rod, cause the displacement to survey the benchmark device and become invalid, influence going on of foundation pile static load test, and this kind of connected mode is comparatively convenient, does not need many people to install, has saved the time that the benchmark device was surveyed to the displacement equipment.
Further, the connecting rod is connected with the reference pile through a right-angle fastener. The connecting rod need be through the position of right angle fastener adjustment on the benchmark stake, and personnel adjust the high back of connecting rod, just can the fixed connection pole with connect the connection of roof beam body, reduced personnel's installation work, improved the convenience of displacement observation benchmark device.
Preferably, the observation component comprises a magnetic gauge stand and a length measuring tool, the magnetic gauge stand is fixedly mounted on the main beam body, and the length measuring tool is movably mounted on the magnetic gauge stand. After the reference pile and the reference beam are installed, a displacement observation reference test can be carried out on the test foundation pile, the position of the magnetic gauge stand can be adjusted on the main beam body according to the field environment and the test requirement, the position of the length measuring tool can also be adjusted, and the precision of the displacement observation reference test is further improved.
Further, the length measuring tool is a dial indicator; or the length measuring means is a displacement sensor. A general length testing tool for observing displacement is a dial indicator, can be replaced by a displacement sensor or a dial indicator, and is specifically selected according to actual requirements.
Compared with the prior art, the utility model has the advantages that:
the utility model discloses the benchmark roof beam can dismantle and faster equipment through the girder body that sets up the segmentation formula, and direct fastener is in the same place the girder body coupling, and fixed mode is stable, and one end is installed on a benchmark stake, and the other end articulates on another benchmark stake, and the position and the height of the adjustment girder body that can be convenient have realized the promotion of displacement observation benchmark device equipment convenience, and the material can repetitious usage, has saved the cost. The connection mode of the connecting beam body and the connecting rod can enable the reference beam to adapt to the experimental foundation piles in different environments, the angle is flexible, the displacement observation component can move on the main beam body, and the precision of the displacement observation reference test is improved.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic view of the combination of the main beam body of the present invention;
FIG. 3 is a schematic cross-sectional view of the connection between the connecting beam and the connecting rod of the present invention;
FIG. 4 is a schematic view of the main structure of the direct fastener of the present invention;
fig. 5 is a schematic view of the main structure of the middle right-angle fastener of the present invention.
In the figure:
10. a reference pile; 11. a reference beam; 12. an observation unit; 13. a main beam body; 14. a direct fastener; 15. a tip; 16. a right angle fastener; 17. connecting the beam body; 18. a connecting rod; 19. an opening; 20. a groove; 21. a magnetic watch base; 22. a length measuring tool; 23. experimental foundation piles; 24. and (4) connecting the blocks.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1-5, the embodiment of the displacement observation reference device for the foundation pile static load experiment of the present invention includes two reference piles 10, wherein the two reference piles 10 are arranged at intervals; one end of the reference beam 11 is fixed on one reference pile 10, and the other end of the reference beam 11 is hinged to the other reference pile 10; the observation component 12 is used for displacement change of the foundation pile generated in a static load experiment; the reference beam 11 comprises main beam bodies 13 in a segmented structure, and the main beam bodies 13 are connected through direct fasteners 14. During the use, personnel need assemble the benchmark roof beam earlier, at first through direct fastener with the girder body coupling as an organic whole, insert the benchmark stake in experimental foundation pile 23 again, can use after adjusting the height of benchmark roof beam. And the static load of the foundation pile can be calculated by observing the displacement change generated by the test foundation pile 23 in the experiment through the observation part. The girder body sets up the segmentation structure, is favorable to making up and dismantling it through direct fastener, and the connection of benchmark stake and benchmark roof beam is swift convenient, only needs just can erect the installation to displacement observation benchmark device alone, does not influence the precision of observing, very big improvement displacement observation benchmark device's convenience. The end part of the reference pile 10 is connected with a pointed end 15 for burying the reference pile 10; the top of the pointed head 15 has a thickness and strength greater than that of the other surfaces of the pointed head 15, and the top of the upper end of the reference pile 10 has increased thickness and strength to facilitate striking or high-pressure penetration. The pointed end part of the reference pile needs to go deep into the observation foundation pile, so the thickness and the strength of the pointed end need to be strengthened and thickened, and the burying of the reference pile is facilitated. The defect that the conventional foundation pile displacement observation device adopts reinforced concrete to cast the reference pile, and the consumed materials are time-consuming and labor-consuming is overcome; the defect that only a simple bracket, such as a tripod bracket, is adopted and the like is unstable is also solved.
Referring to fig. 1-5, the embodiment of the displacement observation reference device for the foundation pile static load experiment of the present invention includes two reference piles 10, wherein the two reference piles 10 are arranged at intervals; one end of the reference beam 11 is fixed on one reference pile 10, and the other end of the reference beam 11 is hinged to the other reference pile 10; the observation component 12 is used for displacement change of the foundation pile generated in a static load experiment; the reference beam 11 comprises main beam bodies 13 in a segmented structure, and the main beam bodies 13 are connected through direct fasteners 14. During the use, personnel need assemble the benchmark roof beam earlier, at first through direct fastener with the girder body coupling as an organic whole, insert the benchmark stake in experimental foundation pile 23 again, can use after adjusting the height of benchmark roof beam. And the static load of the foundation pile can be calculated by observing the displacement change generated by the test foundation pile 23 in the experiment through the observation part. After the main beam body 13 is combined, one end of the main beam body is connected with one of the reference piles 10 through a right-angle fastener 16, the other end of the main beam body is connected with a connecting beam body 17, and the connecting beam body 17 is connected with the reference pile 10 through a connecting rod 18. The one end of the girder body needs to be connected with the reference pile, and the connecting beam body that the other end is connected is swing joint with the connecting rod on the reference pile, and the setting can adapt to the environment that needs the observation in a flexible way like this, through adjusting the position of the girder body on the reference pile, has improved the precision of displacement observation data test. One end of the connecting rod 18 is connected with a connecting block 24, an opening 19 is arranged on the end face of the connecting block 24, and a groove 20 is arranged in the opening 19 and used for being connected to the connecting beam body 17. The opening and the groove are arranged so that the connecting beam body is movably connected with the connecting rod, the structure is simple and convenient, and the production cost of the displacement observation reference device is reduced. The groove 20 is spherical, and the connecting beam body 17 is provided with a sphere extending into the groove 20. When the spherical displacement observation reference device is used, the connection can be completed only by matching the sphere on the connecting beam body with the groove, the angle of the connecting beam body can be flexibly adjusted in the groove of the connecting rod by arranging the spherical connecting beam body, the structure is simplified, and the flexibility of the displacement observation reference device is improved. Other means for facilitating the connection of the connecting beam body to the connecting rod may be provided, such as a threaded connection or the like. The cross-section of the opening 19 is smaller than the cross-section of the groove 20. Set up aim at like this and prevent that the connecting beam body from deviating from in the connecting block of connecting rod, cause the displacement to survey the benchmark device and become invalid, influence going on of foundation pile static load test, and this kind of connected mode is comparatively convenient, does not need many people to install, has saved the time that the benchmark device was surveyed to the displacement equipment.
Referring to fig. 1-5, the embodiment of the displacement observation reference device for the foundation pile static load experiment of the present invention includes two reference piles 10, wherein the two reference piles 10 are arranged at intervals; one end of the reference beam 11 is fixed on one reference pile 10, and the other end of the reference beam 11 is hinged to the other reference pile 10; the observation component 12 is used for displacement change of the foundation pile generated in a static load experiment; the reference beam 11 comprises main beam bodies 13 in a segmented structure, and the main beam bodies 13 are connected through direct fasteners 14. When the foundation pile is used, a worker needs to assemble the reference beam firstly, the main beam body is connected into a whole through the direct fastener, then the reference pile is inserted into a foundation which is 2 times of the outer diameter of the pile outside the center of the test foundation pile, and the foundation pile can be used after the height of the reference beam is adjusted. The connecting rod 18 is connected to the reference pile 10 by a right-angle fastener 16. The connecting rod need be through the position of right angle fastener adjustment on the benchmark stake, and personnel adjust the high back of connecting rod, just can the fixed connection pole with connect the connection of roof beam body, reduced personnel's installation work, improved the convenience of displacement observation benchmark device.
Referring to fig. 1-5, the embodiment of the displacement observation reference device for the foundation pile static load experiment of the present invention includes two reference piles 10, wherein the two reference piles 10 are arranged at intervals; one end of the reference beam 11 is fixed on one reference pile 10, and the other end of the reference beam 11 is hinged to the other reference pile 10; the observation component 12 is used for displacement change of the foundation pile generated in a static load experiment; the reference beam 11 comprises main beam bodies 13 in a segmented structure, and the main beam bodies 13 are connected through direct fasteners 14. When the foundation pile is used, a worker needs to assemble the reference beam firstly, the main beam body is connected into a whole through the direct fastener, then the reference pile is inserted into a foundation which is 2 times of the outer diameter of the pile outside the center of the test foundation pile, and the foundation pile can be used after the height of the reference beam is adjusted. The observation component 12 comprises a magnetic gauge stand 21 and a length measuring tool 22, the magnetic gauge stand 21 is fixedly installed on the main beam body 13, and the length measuring tool 22 is movably installed on the magnetic gauge stand 21. After the reference pile and the reference beam are installed, a displacement observation reference test can be carried out on the test foundation pile 23, the position of the magnetic gauge stand can be adjusted on the main beam body according to the field environment and the test requirements, the position of the length measuring tool can also be adjusted, and the precision of the displacement observation reference test is further improved. The length measuring means 22 is a dial gauge; or the length measuring means 22 is a displacement sensor. The general length test tool for observing the displacement is a dial indicator, can be replaced by a displacement sensor or a dial indicator, is specifically selected according to actual needs, and improves the observation precision of the foundation pile displacement observation device.
The above description is only for the specific embodiment of the present invention, but the technical features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (9)
1. The utility model provides a foundation pile static load experiment displacement observation benchmark device which characterized in that: comprises that
The number of the reference piles (10) is two, and the reference piles (10) are arranged at intervals;
one end of the reference beam (11) is fixed on one reference pile (10), and the other end of the reference beam (11) is hinged to the other reference pile (10);
the observation component (12) is used for observing the displacement change of the foundation pile generated in the static load experiment;
the datum beam (11) comprises main beam bodies (13) in a segmented structure, and the main beam bodies (13) are connected through direct fasteners (14).
2. The foundation pile static test displacement observation reference device of claim 1, characterized in that: the lower end part of the reference pile (10) is connected with a pointed end (15), the thickness and the strength of the top of the pointed end are larger than those of other surfaces of the pointed end (15), and the reference pile (10) is convenient to bury; the top of the upper end of the reference pile (10) is increased in thickness and strength, so that striking or large-pressure penetration is facilitated.
3. The foundation pile static test displacement observation reference device of claim 1, characterized in that: after the main beam body (13) is combined, one end of the main beam body is connected with one of the reference piles (10) through a right-angle fastener (16), the other end of the main beam body is connected with a connecting beam body (17), and the connecting beam body (17) is connected with the reference pile (10) through a connecting rod (18).
4. The foundation pile static test displacement observation reference device of claim 3, wherein: one end of the connecting rod (18) is connected with a connecting block (24), an opening (19) is formed in the end face of the connecting block (24), and a groove (20) is formed in the opening (19) and used for being connected to the connecting beam body (17).
5. The foundation pile static test displacement observation reference device of claim 4, wherein: the shape of the groove (20) is spherical, and a sphere extending into the groove (20) is arranged on the connecting beam body (17).
6. The foundation pile static test displacement observation reference device of claim 4, wherein: the cross section of the opening (19) is smaller than the cross section of the groove (20).
7. The foundation pile static test displacement observation reference device of claim 3, wherein: the connecting rod (18) is connected with the reference pile (10) through a right-angle fastener (16).
8. The foundation pile static test displacement observation reference device of claim 1, characterized in that: the observation part (12) comprises a magnetic gauge stand (21) and a length measuring tool (22), the magnetic gauge stand (21) is fixedly installed on the main beam body (13), and the length measuring tool (22) is movably installed on the magnetic gauge stand (21).
9. The foundation pile static test displacement observation reference device according to claim 8, characterized in that: the length measuring tool (22) is a dial indicator; or the length measuring means (22) is a displacement sensor.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113432564A (en) * | 2021-07-13 | 2021-09-24 | 浙江欧感机械制造有限公司 | Detection system without reference beam |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113432564A (en) * | 2021-07-13 | 2021-09-24 | 浙江欧感机械制造有限公司 | Detection system without reference beam |
CN113432564B (en) * | 2021-07-13 | 2023-07-18 | 浙江欧感机械制造有限公司 | Detection system without reference beam |
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