CN205691053U - Modulus of elasticity of concrete test specimen scale instrument - Google Patents

Abstract

The utility model discloses modulus of elasticity of concrete test specimen scale instrument, relate to the survey tool of concrete experiments, including long target, short target and handle, long target is while with short target while being connected, and long target is vertical with short target to be fixed, it is respectively equipped with handle outside long target and short target, the length of long target and short target and width determine according to the length and width in test specimen patch resistance face and the length of resistor disc, this utility model provides a kind of modulus of elasticity of concrete test specimen scale instrument, can be positioned by setting-out, simple in construction, easy to operate, fast, accurately, improve degree of accuracy and the work efficiency of experiment.

Description

Modulus of elasticity of concrete test specimen scale instrument

Technical field

This utility model relates to the survey tool of concrete experiments, particularly relates to line before modulus of elasticity of concrete experiment.

Background technology

When carrying out the experiment of concrete sample elastic modelling quantity, need to paste resistor disc and measure the strain of test specimen, in order to accurately Measure test specimen deformation, need to be attached to resistor disc the centre of two opposite faces of test specimen, this be accomplished by patch resistor disc it The artificial setting-out of front employing positions, at present, it is common practice to rule with pencil with ruler, and it exists subject matter and is: (1) is fixed Position difficulty, setting-out error is relatively big, and phenomenon of doing over again is many；(2) setting-out operation needs repeatedly to overturn concrete sample, on the one hand effect Low, on the other hand easily cause concrete sample chamfering damaged.

Utility model content

The technical problems to be solved in the utility model is for above-mentioned the deficiencies in the prior art, it is provided that a kind of concrete elastic Modulus test specimen scale instrument, simple in construction, easy to operate, quick, accurate, improve degree of accuracy and the work efficiency of experiment.

For solving above-mentioned technical problem, technical solution adopted in the utility model is: modulus of elasticity of concrete test specimen mark Chi instrument, it is characterised in that include that long target and short target, long target meet at right angle with short target plate face, long target and short mark Being respectively provided with a limit parallel with right-angle side on plate, the distance on described two parallel limits to right-angle side is pasted resistor disc by test specimen The position line.

The technical scheme optimized further is described long target and short target is rectangle, long target and short target at square The long edge position of shape intersects vertically.

The technical scheme optimized further is to fix a handle outside described long target and short target respectively.

The length of side that technical scheme is described long target and short target optimized further is according to the length in test specimen patch resistance face Wide and piezoresistance length determines.

The described long target that the technical scheme optimized further is described is parallel to the patch that the length of side the is test specimen electricity of short target The length in resistance face, wide 1/2 in the patch resistance face that the length of side is test specimen being perpendicular to short target adds the thickness of short target, and short target is put down Row is in the width in the patch resistance face that the length of side is test specimen of long target, and it is that test specimen pastes resistance face that short target is perpendicular to the length of side of long target Long and resistor disc length is subtracted each other the 1/2 of rear length and is added the thickness of long target.

Use and have the beneficial effects that produced by technique scheme: without artificial alignment any two parallel edges, only need Two targets of scale instrument being adjacent to test specimen, i.e. can determine that the position of Chip-R, convenient location, easy to operate, accuracy is high, And advantages of simple structure and simple.

Accompanying drawing explanation

Fig. 1 is the structural representation of one embodiment of this utility model.

Fig. 2 is use state 1 schematic diagram of Fig. 1.

Fig. 3 is use state 2 schematic diagram of Fig. 1.

In figure: 1, long target；2, short target；3, handle；4, test specimen patch resistance face.

Detailed description of the invention

Below in conjunction with the accompanying drawing of one embodiment of this utility model, the technical scheme in this utility model embodiment is entered Row clearly and completely describes, it is clear that described embodiment is only a part of embodiment of this utility model rather than all Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise Under any amendment, equivalent and the improvement etc. made within spirit of the present utility model and principle, broadly fall into this practicality new The scope of type protection.

As it is shown in figure 1, the utility model discloses a kind of modulus of elasticity of concrete test specimen scale instrument, including long target 1, short Target 2 and handle 3, long target 1 and short target 2 are rectangle, long target 1 and short target 2 while being connected, and long target 1 and short target 2 vertically connect fixing.It is respectively equipped with handle 3 outside long target 1 and short target 2, conveniently takes.Long target 1 and short The length of side of target 2 determines according to the length and width in test specimen patch resistance face 4 and the length of resistor disc.

As shown in Figures 2 and 3, long target 1 is parallel to the length that the length of side of short target 2 is test specimen patch resistance face 4, is perpendicular to short The length of side of target 2 is that wide 1/2 in test specimen patch resistance face 4 adds the thickness of short target 2；Short target 2 is parallel to the length of side of long target 1 For the width in test specimen patch resistance face 4, the length that the length of side is test specimen patch resistance face being perpendicular to long target 1 subtracts each other rear length with resistor disc length 1/2 thickness adding long target 1.

When using the position of SMD resistor of this utility model location modulus of elasticity of concrete test specimen, first will need the face of paster Polishing smooth, be placed in by long target 1 on test specimen patch resistance face 4, short target 2 is positioned at the side that patch resistance face 4 is vertical, long target 1 It is adjacent to two faces of short target 2 with test specimen, draws centrage with pen along long target 1 side, then by long target 1 and short target 2 Dislocation, draws the both sides of resistor disc, i.e. can determine that the patch location of modulus of elasticity of concrete test specimen according to above-mentioned steps.

Use technique scheme, it is not necessary to artificial alignment any two parallel edges, only the two of scale instrument target need to be pasted Tight test specimen, i.e. can determine that the position of Chip-R, convenient location, avoids concrete sample simultaneously and repeatedly overturns cause broken Damage, be effectively increased precision and the efficiency of experiment.

Claims (5)

1. modulus of elasticity of concrete test specimen scale instrument, it is characterised in that: include long target (1) and short target (2), long target (1) Meeting at right angle with short target (2) plate face, long target (1) is respectively provided with a limit parallel with right-angle side, institute with on short target (2) State the position line that two parallel limits are the pasted resistor disc of test specimen to the distance of right-angle side.

Modulus of elasticity of concrete test specimen scale instrument the most according to claim 1, it is characterised in that described long target (1) and short Target (2) is rectangle, long target (1) and short target (2) and intersects vertically in the long edge position of rectangle.

Modulus of elasticity of concrete test specimen scale instrument the most according to claim 1, it is characterised in that described long target (1) and short A handle (3) is fixed in target (2) outside respectively.

Modulus of elasticity of concrete test specimen scale instrument the most according to claim 2, it is characterised in that described long target (1) and short The length of side of target (2) determines according to the length and width of test specimen patch resistance face (4) and the length of piezoresistance.

Modulus of elasticity of concrete test specimen scale instrument the most according to claim 4, it is characterised in that the long limit of described long target (1) The length in the patch resistance face (4) of a length of test specimen, wide 1/2 in the patch resistance face of described long target (1) a length of test specimen of minor face adds short mark The thickness of plate (2), the width of patch resistance face (4) that the long length of side is test specimen of short target (2), a length of test specimen of minor face of short target (2) The length of patch resistance face (4) and resistor disc length are subtracted each other the 1/2 of rear length and are added the thickness of long target (1).