A concrete fracture curve testing device

Abstract

The utility model relates to concrete fracture test technical field especially is a kind of concrete fracture curve testing device, including concrete test piece and test piece tension testing frame, the concrete test piece top, bottom symmetrical distribution is set up test piece tension testing frame, the concrete test piece includes concrete block, anchor plate, deck, clamping strip and anchoring steel bar, steel structure plate is installed with the bolt thread by sticking board, and clamping strip is placed by being slid along the deck surface inside and being installed, and the assembly through-hole set in the connecting anchor plate is installed with concrete stress detection equipment test rod limiting, control concrete block is fractured in middle annular inner groove portion, in the utility model, the installation structure of concrete test piece and test piece tension testing frame in concrete fracture curve testing device, structure main body is convenient for prefabricated installation limit to concrete test piece, and structure main body is convenient for control concrete test piece inside set concrete block fracture area.

Description

Technical Field

[0001] This utility model relates to the field of concrete fracture testing technology, specifically a concrete fracture curve testing device. Background Technology

[0002] The concrete fracture curve testing device includes a concrete specimen, a specimen tensile testing frame, a concrete stress detection device, and a test display device. The device performs fracture testing on concrete and collects, analyzes, and processes fracture curve data. Taking the installation structure of the concrete specimen and the specimen tensile testing frame in the concrete fracture curve testing device as an example.

[0003] In some concrete fracture curve testing devices, the installation structure of the concrete specimen and the specimen tensile testing frame is inconvenient for prefabricating and limiting the concrete specimen, and the main structure is also inconvenient for controlling the fracture area of ​​the concrete block set inside the concrete specimen. Therefore, a concrete fracture curve testing device is proposed to address the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a concrete fracture curve testing device to solve the problem that the installation structure of the concrete specimen and specimen tensile testing frame in some concrete fracture curve testing devices is inconvenient for prefabricating and limiting the concrete specimen, and the main structure is inconvenient for controlling the fracture area of ​​the concrete block set inside the concrete specimen.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A concrete fracture curve testing device includes a concrete specimen and a specimen tensile testing frame. Two sets of specimen tensile testing frames are symmetrically distributed at the top and bottom of the concrete specimen. The concrete specimen includes a concrete block, an anchor plate, a slab, a clamping strip, and an anchoring steel bar. An anchor plate is pre-embedded and fixed inside the concrete block. Two slabs are symmetrically distributed and fixed at the left and right ends of the anchor plate. A clamping strip is fixed at the end of the slab away from the anchor plate. An anchoring steel bar is installed in the through hole inside the anchor plate. The space between the outside of the anchoring steel bar and the through hole inside the anchor plate is filled with concrete block.

[0006] Preferably, the specimen tensile testing frame includes a connecting anchor plate, a mounting plate, a steel structure plate, a connecting plate, and a channel steel. The mounting plate is fixedly installed on the end of the connecting anchor plate near the concrete specimen. The steel structure plate is installed inside the mounting plate by means of studs. Two connecting plates are symmetrically distributed and fixedly installed on the end of the steel structure plate near the vertical direction of the concrete specimen. The channel steel is fixedly installed on the end of the connecting plate near the vertical direction of the concrete specimen.

[0007] Preferably, the middle part of the concrete block is provided with an annular inner groove to facilitate concrete fracture.

[0008] Preferably, the channel steel is slidably installed with a retaining strip along the inside of the surface of the ramp.

[0009] Preferably, the connecting anchor plate has an assembly through hole inside that is configured to limit the installation of the test rod of the concrete stress testing equipment.

[0010] Compared with the prior art, the beneficial effects of this utility model are: In this invention, anchor plates and anchor bars are placed vertically and crosswise inside the mold. Concrete blocks fill the space between the outer side of the anchor bars and the through holes inside the anchor plate. A steel structure plate is installed inside the plate using studs. Channel steel is slidably installed along the inner surface of the plate, with locking strips connecting the assembly through holes inside the anchor plate to the test rod of the concrete stress testing equipment. This controls the concrete block to fracture in the middle annular groove. Through this design, the installation structure of the concrete specimen and the specimen tensile testing frame in the concrete fracture curve testing device allows for convenient prefabrication and installation of the concrete specimen, and also facilitates control of the fracture area of ​​the concrete block inside the specimen. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the concrete specimen of this utility model; Figure 3 This is a cross-sectional schematic diagram of the tensile testing frame for specimens according to this utility model; Figure 4 This utility model Figure 3 A magnified structural diagram at point A; Figure 5 This is a schematic cross-sectional view of the installation of the concrete specimen and the specimen tensile testing frame of this utility model; Figure 6 This utility model Figure 5 A magnified structural diagram at point B.

[0012] In the figure: 1. Concrete specimen; 11. Concrete block; 12. Anchor plate; 13. Laying plate; 14. Clip; 15. Anchor steel bar; 2. Specimen tensile test frame; 21. Connecting anchor plate; 22. Adhesive plate; 23. Steel structure plate; 24. Connecting plate; 25. Channel steel. Detailed Implementation

[0013] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0014] In the embodiments of the utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the position or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of the utility model. In addition, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Similarly, words such as "an," "a," or "the" do not indicate a quantity limitation, but rather indicate the presence of at least one. Words such as "comprising" or "including" mean that the element or object preceding the word covers the element or object listed after the word and its equivalents, without excluding other elements or objects.

[0015] Furthermore, in the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0016] Please see Figures 1-6 This utility model provides a technical solution: A concrete fracture curve testing device includes a concrete specimen 1 and a specimen tensile testing frame 2. Two sets of specimen tensile testing frames 2 are symmetrically distributed at the top and bottom of the concrete specimen 1. The concrete specimen 1 includes a concrete block 11, an anchor plate 12, a slab 13, a clamping strip 14, and an anchoring steel bar 15. An anchor plate 12 is embedded and fixed inside the concrete block 11. Two slabs 13 are symmetrically distributed and fixed at the left and right ends of the anchor plate 12. A clamping strip 14 is fixed at the end of the slab 13 away from the anchor plate 12. An anchoring steel bar 15 is provided in the through hole inside the anchor plate 12. The space between the outside of the anchoring steel bar 15 and the through hole inside the anchor plate 12 is filled with concrete block 11.

[0017] The specimen tensile testing frame 2 includes a connecting anchor plate 21, a mounting plate 22, a steel structure plate 23, a connecting plate 24, and a channel steel 25. The mounting plate 22 is fixedly installed on the end of the connecting anchor plate 21 near the concrete specimen 1. The steel structure plate 23 is installed inside the mounting plate 22 through studs. Two connecting plates 24 are symmetrically distributed and fixedly installed on the vertical end of the steel structure plate 23 near the concrete specimen 1. The channel steel 25 is fixedly installed on the vertical end of the connecting plate 24 near the concrete specimen 1. Through the above arrangement, a combined specimen tensile testing frame 2 is formed.

[0018] The middle part of the concrete block 11 is provided with an annular inner groove to facilitate concrete fracture. Through the above setting, the concrete block 11 is controlled to fracture in the middle annular inner groove.

[0019] The channel steel 25 has a clip 14 that is slidably installed inside the surface of the slab 13. This arrangement facilitates the installation and placement of the concrete specimen 1 and the specimen tensile test frame 2.

[0020] The connecting anchor plate 21 has an assembly through hole for mounting and limiting the test rod of the concrete stress testing equipment. Through the above setting, the efficiency of collecting fracture data of the concrete block 11 is improved by the cooperation of the two sets of specimen tensile test frames 2 arranged symmetrically above and below with the test rod of the concrete stress testing equipment.

[0021] Work process: This utility model provides an installation structure for a concrete specimen 1 and a specimen tensile testing frame 2 in a concrete fracture curve testing device. The main body of the structure facilitates the prefabrication and installation of the concrete specimen 1 and allows for easy control of the fracture area of ​​the concrete block inside the concrete specimen 1.

[0022] Concrete specimen 1 is a precast concrete structure. Anchor plates 12 and anchor bars 15 are placed vertically and crosswise inside the mold. Concrete blocks 11 fill the gaps between the outer sides of the anchor bars 15 and the through holes inside the anchor plates 12, forming concrete specimen 1 that simulates an existing reinforced concrete building structure. Anchor plates 12, lap plates 13, and clips 14 are anchoring components installed inside the concrete blocks 11. A steel structure plate 23 is installed inside the mounting plate 22 via stud threads. The steel structure plate 23, connecting plate 24, and channel steel 25 are integrally welded and fixed steel components. The channel steel 25 runs along the inner surface of the lap plate 13. A sliding mounting strip 14 is installed in the part, connecting the assembly through hole inside the anchor plate 21 to the installation limit of the concrete stress testing equipment test rod. By cooperating with the two sets of specimen tensile testing frames 2 arranged symmetrically above and below to pull the concrete stress testing equipment test rod, the concrete block 11 is controlled to fracture in the middle annular inner groove, improving the efficiency of collecting fracture data of the concrete block 11. The stress data of the concrete stress testing equipment test rod is displayed and analyzed by the control software of the display controller to form concrete fracture curve data. The above is the existing technology of concrete fracture testing, which will not be described in detail in this article.

[0023] Although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A concrete fracture curve testing device, comprising a concrete specimen (1) and a specimen tensile testing frame (2), characterized in that: The concrete specimen (1) has two sets of specimen tensile test frames (2) symmetrically distributed at the top and bottom. The concrete specimen (1) includes a concrete block (11), an anchor plate (12), a slab (13), a clip (14), and an anchoring steel bar (15). The concrete block (11) has an anchor plate (12) embedded and fixed inside. The anchor plate (12) has two slabs (13) symmetrically distributed and fixed at the left and right ends. The slab (13) has a clip (14) fixed at the end away from the anchor plate (12). The anchor plate (12) has an anchoring steel bar (15) in the through hole. The anchoring steel bar (15) is filled between the outside of the anchoring steel bar (15) and the through hole inside the anchor plate (12) by the concrete block (11).

2. The concrete fracture curve testing device according to claim 1, characterized in that: The specimen tensile test frame (2) includes a connecting anchor plate (21), a mounting plate (22), a steel structure plate (23), a connecting plate (24), and a channel steel (25). The mounting plate (22) is fixedly installed on one end of the connecting anchor plate (21) near the concrete specimen (1). The steel structure plate (23) is installed inside the mounting plate (22) through stud threads. Two connecting plates (24) are symmetrically distributed and fixedly installed on one end of the steel structure plate (23) near the vertical direction of the concrete specimen (1). The channel steel (25) is fixedly installed on one end of the connecting plate (24) near the vertical direction of the concrete specimen (1).

3. The concrete fracture curve testing device according to claim 1, characterized in that: The middle part of the concrete block (11) is provided with an annular inner groove to facilitate concrete fracture.

4. The concrete fracture curve testing device according to claim 2, characterized in that: The channel steel (25) has a retaining strip (14) slidably installed inside the surface of the slab (13).

5. The concrete fracture curve testing device according to claim 2, characterized in that: The connecting anchor plate (21) has an assembly through hole inside that is installed and limited to the test rod of the concrete stress detection equipment.

Images