CN208270317U - Concrete thermal cracking detection system - Google Patents
Concrete thermal cracking detection system Download PDFInfo
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- CN208270317U CN208270317U CN201721412215.XU CN201721412215U CN208270317U CN 208270317 U CN208270317 U CN 208270317U CN 201721412215 U CN201721412215 U CN 201721412215U CN 208270317 U CN208270317 U CN 208270317U
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- concrete temperature
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Abstract
The utility model discloses a kind of detection systems of concrete thermal cracking, comprising: more concrete temperature stress testing machines;Control module is connected with the more concrete temperature stress testing machines, provides multiple degree of restraint for controlling the multiple concrete temperature stress testing machine, so under the first restriction range confined concrete deformation;Wherein, first restriction range is (0, A), 100% < A < 200%.The utility model has the advantages that quantification can be synchronized during same test simulates different degree of restraint.
Description
Technical field
The utility model relates to building hydraulic engineering concrete test technical fields, are related to a kind of concrete thermal cracking inspection
Examining system.
Background technique
Massive concrete temperature cracks are an important engineering problems, and concrete temperature stress testing machine (TSTM) can
With the temperature stress and deformation of the concrete under laboratory simulation effect of contraction, material and knot are established by research technique
Connection between structure, and a variety of cracking resistance indexs can be measured and evaluated simultaneously.
Concrete temperature stress testing machine (TSTM) is defined by ratio mutual between restrained deformation and Free Transform
Constraint degree, current concrete temperature stress testing machine (TSTM) is single machine single control, can only simulate staff cultivation degree (100%
Degree of restraint).But degree of restraint suffered by the different parts of concrete structure is not identical, so the constraint that simulation is different
Influence of the degree to the rule of development of cognition concrete material property and to structural behaviour is most important.Additional current test
Means are by single machine single control, and since concrete material has larger discrete feature, test result lacks representative.Difference batch
Secondary test result gap may be larger, and the not also more difficult analogy of the test result between commensurate.
Utility model content
The utility model aims to solve at least one of above-mentioned technical problem.
For this purpose, the purpose of this utility model is that propose a kind of detection system of concrete thermal cracking, it can be same
Synchronous quantification simulates different degree of restraint during test.
To achieve the goals above, the embodiments of the present invention disclose a kind of detection system of concrete thermal cracking
System, comprising: more concrete temperature stress testing machines;Control module, it is homogeneous with the more concrete temperature stress testing machines
Even, multiple degree of restraint are provided for controlling the multiple concrete temperature stress testing machine, and then under the first restriction range
The deformation of confined concrete;Wherein, first restriction range is (0, A), 100% < A < 200%.
Further, the concrete temperature stress testing machine includes:
First concrete temperature stress testing machine, the degree of restraint of the first concrete temperature stress testing machine are 0;
Second concrete temperature stress testing machine, the degree of restraint of the second concrete temperature stress testing machine are X;
The degree of restraint of third concrete temperature stress testing machine, the third concrete temperature stress testing machine is
100%;
4th concrete temperature stress testing machine, the degree of restraint of the 4th concrete temperature stress testing machine are Y;
Wherein, X < 100% < Y, the first concrete temperature stress testing machine, second concrete temperature stress examination
Machine, the third concrete temperature stress testing machine and the 4th concrete temperature stress testing machine is tested respectively to be correspondingly arranged on
Concrete;The control module is also used to control the third concrete temperature stress testing machine and reaches first in advance in deformation extent
If reverting to the initial position before deformation when length, the control module is also used to control the 4th concrete temperature stress examination
Continue to become to the opposite direction of deformation after testing the initial position before machine reverts to deformation when deformation extent reaches the first preset length
Shape.
According to the detection system of the concrete thermal cracking of the utility model embodiment, pass through more concrete temperature stress
Testing machine interconnection, and more concrete temperature stress testing machines are controlled by control module, the concrete itself controlled is carried out not
The detection in same test process to concrete deformation situation may be implemented in same degree of restraint.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the structural block diagram of the detection system of the concrete thermal cracking of the utility model;
Fig. 2 is different degree of restraint schematic diagrames in the utility model one embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Referring to following description and drawings, it will be clear that these and other aspects of the embodiments of the present invention.At these
In description and attached drawing, some particular implementations in the embodiments of the present invention are specifically disclosed, to indicate to implement this reality
With some modes of the principle of novel embodiment, but it is to be understood that the range of the embodiments of the present invention is not limited
System.On the contrary, the embodiments of the present invention include all changes fallen within the scope of the spirit and intension of attached claims
Change, modification and equivalent.
The utility model is described below in conjunction with attached drawing.
Fig. 1 is the structural block diagram of the detection system of the concrete thermal cracking of the utility model.As shown in Figure 1, this is practical
The detection system of novel concrete thermal cracking, comprising: more concrete temperature stress testing machines 100 and control module 200.
Control module 200 is connected with more concrete temperature stress testing machines 100, for controlling multiple concrete temperature stress tests
Machine 100 provides multiple mutually different degree of restraint, so under the first restriction range confined concrete deformation.Its
In, the first restriction range is (0, A), 100% < A < 200%.The referred to as partially restrained when degree of restraint is less than 100% constrains journey
Degree is known as 100% and is greater than 100% as Planar Mechanisms for staff cultivation, degree of restraint.In an example of the utility model, A is
150% or 199%.
In one embodiment of the utility model, concrete temperature stress testing machine is four, not to be the first coagulation
Soil temperature degree pressure tester, the second concrete temperature stress testing machine, third concrete temperature stress testing machine and the 4th coagulation
Soil temperature degree pressure tester.First concrete temperature stress testing machine, the second concrete temperature stress testing machine, third concrete
Temperature stress testing machine and the 4th concrete temperature stress testing machine are respectively correspondingly arranged on the concrete for deformation.Wherein,
The degree of restraint of first concrete temperature stress testing machine is 0 (i.e. no constraint condition, concrete can Free Transform), and second is mixed
The degree of restraint of solidifying soil temperature degree pressure tester is X, and the degree of restraint of third concrete temperature stress testing machine is 100%, the
The degree of restraint of four concrete temperature stress testing machines is Y.Wherein, X < 100% < Y.
Fig. 2 is different degree of restraint schematic diagrames in the utility model one embodiment.As shown in Fig. 2, in the utility model
An example in, X 50%, Y 150%.Solidifying soil temperature degree pressure tester is four, is A machine, B machine, C machine and D machine.Its
In, A machine constraint degree is 0% (free reference piece), and the constraint degree of setting B machine is 50% (partially restrained), the constraint degree of C machine
For 100% (staff cultivation), the constraint degree of D machine is 150% (Planar Mechanisms).Control module 200 controls third concrete temperature stress
Testing machine reverts to the initial position before deformation when deformation extent reaches the first preset length (such as 2 μm).Control module 200
Be also used to control the 4th concrete temperature stress testing machine reverted to when deformation extent reaches the first preset length deformation before
Continue to deform to the opposite direction of deformation after initial position.
In an example of the utility model, set constraint threshold value as 2 μm, A machine test specimen (concrete, it is described below in
It is all made of test specimen) unfettered effect, it is deformed into Free Transform εf.Work as εfWhen reaching 2 μm, start the control motor of B machine, another B
The deformation epsilon of machine test specimenr1Reach 1 μm, that is, realizes 50% constraint condition;For overconstrained condition, start the control motor of D machine,
The deformation epsilon of another D machine test specimenr2Reach 1.5 μm, that is, realizes 150% constraint condition;Similarly, if the deformation of C machine reaches 2 μm, i.e.,
Start the control motor of C machine, 100% constraint condition is realized in its another deformation-recovery to 0
According to the detection system of the concrete thermal cracking of the utility model embodiment, pass through more concrete temperature stress
Testing machine interconnection, and more concrete temperature stress testing machines are controlled by control module, the concrete itself controlled is carried out not
The detection in same test process to concrete deformation situation may be implemented in same degree of restraint.
In addition, other compositions of the concrete thermal cracking detection system of the utility model embodiment and effect are for this
All be for the technical staff in field it is known, in order to reduce redundancy, do not repeat them here.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Stating may not refer to the same embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model is by claim and its equivalent limits.
Claims (1)
1. a kind of detection system of concrete thermal cracking characterized by comprising
More concrete temperature stress testing machines;
Control module is connected, for controlling the multiple concrete temperature with the more concrete temperature stress testing machines
Pressure tester provides multiple degree of restraint, so under the first restriction range confined concrete deformation;
Wherein, first restriction range is (0, A), 100% < A < 200%.
Priority Applications (1)
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CN201721412215.XU CN208270317U (en) | 2017-10-27 | 2017-10-27 | Concrete thermal cracking detection system |
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CN201721412215.XU CN208270317U (en) | 2017-10-27 | 2017-10-27 | Concrete thermal cracking detection system |
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Publication Number | Publication Date |
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CN208270317U true CN208270317U (en) | 2018-12-21 |
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CN201721412215.XU Active CN208270317U (en) | 2017-10-27 | 2017-10-27 | Concrete thermal cracking detection system |
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2017
- 2017-10-27 CN CN201721412215.XU patent/CN208270317U/en active Active
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