JP7076696B2 - Insulation test equipment for heat-generating materials during curing - Google Patents

Description

The present invention relates to an apparatus for adiabatic test of heat-generating materials during curing for evaluating temperature rise characteristics of materials that generate heat during curing, such as concrete and resin, and mechanical properties corresponding to the temperature rise characteristics.

For example, in mass concrete structures such as dams and piers, the heat of hydration is delayed in the central part, and temperature strain due to temperature differences is likely to occur at each part, which may cause temperature cracks. ..

Since such initial cracks greatly affect the durability of concrete structures, it is important to control temperature cracks during construction. It is stipulated that the crack check in is performed by temperature stress analysis.

On the other hand, it is necessary to set the amount of heat insulation temperature rise for temperature analysis in the crack inspection, and the amount of heat insulation temperature rise is measured by maintaining the concrete (cement-based material / heat-generating material at the time of hardening) in the heat-insulated state for a long period of time. Various adiabatic test devices for this purpose have been proposed and put into practical use (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2008-241520

However, in the above-mentioned conventional heat insulation test equipment, it is necessary to use a large concrete test piece in order to reproduce the temperature environment of mass concrete, and there is a problem that the equipment itself is large and the handling at the construction site is poor. rice field.

In addition, it is important for quality control to understand not only the temperature change after concrete placement but also the mechanical characteristics such as strength change, but the mechanical characteristics after reproducing the heat insulation state (temperature change) after concrete placement. There is no method for grasping the above, and the development of such a method has been strongly desired.

In view of the above circumstances, the present invention is excellent in handleability, and not only the heat insulating temperature characteristic but also the mechanical property test after reproducing the heat insulating state is performed, and the heat insulating test of the heat generating material at the time of curing enables the evaluation. The purpose is to provide equipment for use.

In order to achieve the above object, the present invention provides the following means.

The heat insulating test apparatus of the present invention is provided in a heat insulating main body portion that isolates the accommodation space from the outside while forming an accommodation space inside, and a test body for thermal property test of a heat generating material at the time of curing, which is provided in the accommodation space. A thermal property test body accommodating portion for accommodating a test body and a mechanical property test body accommodating portion provided in the accommodating space for accommodating a test body for a mechanical property test of a heat-generating material during curing are provided, and the thermal property test is provided. The body accommodating part includes a heat characteristic test body curing part that cures the heat characteristic test body, and a heat characteristic test body side heat insulating part provided between the heat characteristic test body curing part and the heat insulation main body part. The mechanical property test body accommodating portion is provided between the mechanical property test body curing unit for curing the mechanical property test body, the mechanical property test body curing unit, and the heat insulating body portion. It is provided with a heat insulating part on the test piece side for characteristics, and is between the heat insulating part on the test body side for thermal characteristics and the test piece for the thermal characteristic test, and the heat insulating part on the test piece side for the mechanical characteristics and the test piece for the mechanical property test. It is characterized in that a heat insulating desorption layer having a molding performance for keeping the test body in a predetermined shape, a heat insulating performance, and a peeling performance for desorbing the test body is provided between the two.

Further, the heat insulating test apparatus of the present invention is provided with a slide mechanism for advancing and retreating the thermal property test body accommodating portion and the mechanical property test body accommodating portion in the front-rear direction, and the thermal characteristic test body accommodating portion and the mechanical property test. It is desirable that the body accommodating parts are individually configured so that they can be pulled forward.

Further, in the heat insulating test apparatus of the present invention, the heat insulating main body portion arranged in front of the thermal property test body accommodating portion and the heat insulating main body portion arranged in front of the mechanical property test body accommodating portion are provided. It is more desirable that each is individually removable and separately formed.

Further, in the heat insulating test apparatus of the present invention, it is desirable that the heat insulating main body portion and the heat insulating portion are made of styrofoam that is 15 times foamed.

Further, in the adiabatic test apparatus of the present invention, it is more desirable that the mechanical property test body accommodating portion is symmetrically arranged between the thermal property test body accommodating portions.

In the adiabatic test apparatus of the present invention, it is excellent in handleability, it is possible to accurately grasp the adiabatic temperature characteristics, and not only the adiabatic temperature characteristics but also the mechanical characteristics after reproducing the adiabatic state are accurately obtained. It becomes possible to grasp.

It is a top view (partial sectional view) which shows the insulation test apparatus which concerns on one Embodiment of this invention. It is the X1-X1 line arrow view of FIG. It is an arrow view of X2-X2 line of FIG. It is a front view which shows the thermal property test body accommodating part and the mechanical property test body accommodating part of the heat insulation test apparatus which concerns on one Embodiment of this invention. It is an arrow view of X3-X3 of FIG. It is an arrow view of X4-X4 line of FIG. It is an X5-X5 line arrow view of FIG. 4, and is a plan view which shows the slide mechanism of the heat insulation test apparatus which concerns on one Embodiment of this invention. It is a figure which shows the temperature history inside the general insulation test apparatus. It is a flow diagram which shows the method for correcting a thermal characteristic value so that it may be fitted to the temperature history measured by the heat insulation test apparatus which concerns on one Embodiment of this invention.

Hereinafter, the adiabatic test apparatus according to the embodiment of the present invention will be described with reference to FIGS. 1 to 9. Here, in the present embodiment, it is assumed that the heat generating material at the time of curing according to the present invention is concrete, but the heat insulating test apparatus according to the present invention generates heat at the time of curing, such as a cement-based material other than concrete or a resin. It can be applied when evaluating the adiabatic temperature characteristics (thermal characteristics) and adiabatic mechanical properties of any material with.

As shown in FIGS. 1 to 7, the heat insulating test apparatus A of the present embodiment forms a substantially rectangular accommodation space H inside (center) of the apparatus and isolates the accommodation space H from the outside. A substantially square box-shaped heat insulating body 1 that forms the outer shell of the heat insulating test device A, a thermal characteristic test body accommodating portion 2 that is provided in the accommodating space H and accommodates the thermal characteristic test specimen, and an accommodating space. It is provided in H and is configured to include a mechanical property test body accommodating portion 3 for accommodating a test body for mechanical characteristics.

The heat insulating main body 1 is a substantially flat plate-shaped right side lid portion arranged between a substantially flat plate-shaped upper lid portion 4 and a lower lid portion 5 and a substantially flat plate-shaped upper lid portion 4 and a lower lid portion 5 on both side portions in the width direction. A substantially rectangular body including a substantially flat plate-shaped front lid portion 8 and a back lid portion 9 disposed between the upper lid portion 4 and the lower lid portion 5 on the front and rear side in the depth direction and the left side side lid portion 7 and the 6 and the left side side lid portion 7. It is formed in a box shape.

For example, styrofoam is the main component of these lids 4 to 9, and each of them has a predetermined thickness so that the accommodation space H for the outside can be secured in a desired heat insulating state. In the present embodiment, the desired heat insulating performance can be ensured by using 15-fold foamed styrofoam. As a result of conducting a test using Styrofoam having a foaming ratio of several to several tens of times, it was confirmed that Styrofoam having a foaming ratio of 15 times is suitable for the apparatus A.

In the accommodation space G, the mechanical property test body accommodating portion 3 is arranged at a symmetrical position centering on the thermal characteristic test object accommodating portion 2.

Specifically, in the heat insulation test device A of the present embodiment, the heat characteristic test body housing unit 2 having a substantially rectangular shape is arranged in the central portion of the storage space H and thus the heat insulation test device A, and the heat property test body housing unit 2 is arranged. A substantially rectangular body-shaped mechanical property test body accommodating portion 3 is arranged at symmetrical positions on both the left and right sides in the width direction with the two in between.

The thermal characteristic test body accommodating portion 2 is provided with a cylindrical thermal characteristic test specimen curing portion 10 having a diameter of 300 mm × h6000 mm in the center thereof, and around the thermal characteristic test specimen curing portion 10 in the same manner as the lid portions 4 to 9. Styrofoam is configured to provide a heat insulating portion (heat insulating portion on the test piece side for thermal characteristics) 11 as a main component so as to secure desired heat insulating performance.

Further, the heat characteristic test body curing portion 10 is struck between the thermal characteristic test body curing portion 10 and the heat insulating portion 11, that is, on the inner peripheral surface of the heat insulating portion 11 forming the thermal characteristic test body curing portion 10. The molding performance that keeps the installed concrete in a predetermined columnar shape of φ300 mm × h6000 mm, the heat insulating performance that suppresses the transfer of heat of the test piece to the heat insulating part 11 during the test, and the test from the thermal characteristic test piece accommodating part 2 after the test. The adiabatic desorption layer 12 is provided with a peeling performance that facilitates desorption of the body.

The thermal characteristic test body curing unit 10 includes a temperature measuring means (not shown) for measuring the temperature at a desired position of the thermal characteristic test body in the thermal characteristic test body curing unit 10 and a thermal characteristic test. A strain measuring means (not shown) for measuring body strain is provided. The temperature measuring means and the strain measuring means may be provided separately or may be integrally configured.

The left and right mechanical property test body housing units 3 each include a plurality of mechanical property test body curing parts 15 for individually accommodating a plurality of cylindrical test bodies having a diameter of 100 mm × h200 mm, and each mechanical property test body curing unit 3 is provided. Similar to the lids 4 to 9 and the test body curing part 10 for thermal characteristics, a heat insulating part (heat insulating part on the test body side for mechanical characteristics) 11 whose main component is foamed styrol is provided around 15 to ensure desired heat insulating performance. It is configured to be able to.

Further, in the present embodiment, each mechanical property test body accommodating unit 3 includes 12 mechanical property test body curing units 15 for individually accommodating 12 mechanical property test bodies. Further, in the present embodiment, one square box-shaped unit (upper three test bodies for mechanical properties and lower three test bodies for mechanics) arranged at predetermined intervals in the front-rear direction is used. It is housed in a curing box) 16, and the units 16 are arranged in two rows on the left and right to form each mechanical property test body housing part 3. The two units 16 of each mechanical property test body accommodating unit 3 are, for example, three for performing a mechanical test on a material age of 3 days, a material age of 7 days, a material age of 14 days, and a material age of 28 days, respectively. It is configured to accommodate a total of 12 test pieces, which are test pieces.

Further, between the thermal property test body accommodating unit 2 and the mechanical property test body accommodating unit 3, stress due to strain of the test body housed in both accommodating units 2 and 3 and when the device is moved, for mechanical characteristics. A buffer layer 17 is provided in each of the accommodating portions 2 and 3 to absorb the external force acting when the test piece is taken out and to prevent the external force from acting on the cured test piece.

Here, the upper lid portion 4 and the front lid portion 8 of the heat insulating main body portion 1 of the present embodiment are detachable (removable), respectively.

By removing the upper lid portion 4, the test body curing portion 10 for thermal characteristics and the test body curing portion 15 for left and right mechanical characteristics can be opened upward. Further, in the front lid portion 8, the corresponding portion overlapping the front and rear of each unit 16 of the thermal characteristic test body accommodating portion 2 and the mechanical characteristic test object accommodating portion 3 is individually and detachably formed separately, and is formed in the accommodating space H. Each unit 16 of the thermal property test body accommodating unit 2 and the mechanical property test object accommodating unit 3 is configured to be individually opened forward.

As shown in FIG. 7 (and FIGS. 1 to 6), each unit 16 of the thermal property test body accommodating unit 2 and the mechanical property test object accommodating unit 3 is pulled out / accommodated in the accommodation space H, respectively. The slide mechanism 18 is provided.

The slide mechanism 18 is provided between each unit 16 of the thermal property test body accommodating unit 2 and the mechanical property test body accommodating unit 3 and the lower lid portion 5, or between the thermal characteristic test body accommodating unit 2 and the mechanical property test body accommodating unit 3. Sliding of a guide means 19 such as a guide plate or a guide rail interposed between the units 16 and a polytetrafluoroethylene tape (Teflon tape / Teflon: registered trademark) integrally provided with the guide means 19. It is configured to include means 20.

Further, in the present embodiment, the sliding means 20 (and the guiding means 19) extend in the front-rear direction, and a plurality of sliding means 20 (and the guiding means 19) are provided at predetermined intervals in the left and right width directions, and are supported / guided by the sliding means 20 and the guide means 19. Each unit 16 of the thermal property test body accommodating unit 2 and the mechanical property test object accommodating unit 3 is individually provided so as to be able to advance and retreat in the front-rear direction (slide movable / retractable from the inside of the device).

As shown in FIGS. 1 to 7, on the front surface of each unit 16 of the thermal property test body accommodating unit 2 and the mechanical property test body accommodating unit 3, the thermal property test body accommodating unit 2 and the mechanical property test body accommodating unit 3 are provided. A handle 21 used for advancing and retreating each unit 16 in the front-rear direction is attached.

In the heat insulating test apparatus A of the present embodiment having the above configuration, since the upper lid portion 4 of the heat insulating portion 1 is removable, the upper lid portion 4 is removed to cure the thermal characteristic test body of the thermal characteristic test body accommodating portion 2. Concrete to be tested can be placed in the portion 10 to form and set a test piece for thermal characteristics. As a result, it is not necessary to transfer a large-weight thermal characteristic test piece having a diameter of 300 mm × h6000 mm to the thermal characteristic test piece accommodating unit 2 from the outside, and the thermal characteristic test piece can be easily set.

The separately formed front lid 8 of the heat insulating body 1 is removable, and each unit 16 of the thermal property test body accommodating portion 2 and the mechanical property test body accommodating portion 3 can be pulled out by the slide mechanism 18, respectively. Therefore, the front lid portion 8 can be removed to pull out each unit 16 of the thermal property test body accommodating portion 2 and the mechanical property test body accommodating portion 3. It can also be removed if necessary. As a result, the concrete to be tested can be easily cast and the test piece can be formed.

Further, each unit 16 after placing concrete can be slid by the slide mechanism 18 and returned to the accommodation space H. This makes it possible to easily set a test piece for mechanical properties.

By setting the thermal characteristic test piece and the mechanical property test piece and attaching the front lid portion 8 and the upper lid portion 4, the thermal characteristic test piece and the mechanical property test piece in the accommodation space H are cured in a heat-insulated state. be able to. As a result, the amount of heat insulation temperature rise can be obtained by measuring the temperature and strain of the test piece for thermal characteristics over time (daily) with a temperature measuring means or strain measuring means, and the temperature analysis for crack verification can be obtained. It is possible to accurately set the amount of heat insulation temperature rise.

Further, in the adiabatic test apparatus A of the present embodiment, for example, as shown in FIGS. 1 and 2, the size of the entire apparatus is width 1520 mm × depth 900 mm × height 900 mm, and the thermal property test body accommodating portion 2. The size is 465 mm in width × 465 mm in depth × 585 mm in height, and this small size device A can reproduce the heat insulating state and temperature history of concrete having a size of 3000 mm × 3000 mm × 3000 mm.

As a result, according to the heat insulation test device A of the present embodiment, it is possible to accurately (highly reliable) determine the amount of heat insulation temperature rise while the device is extremely compact and has excellent on-site handling. become.

On the other hand, in the adiabatic test apparatus A of the present embodiment, the adiabatic temperature rise test is performed, and for example, the material age is 3 days, the material age is 7 days, the material age is 14 days, and the material age is 28 days. When the test piece is reached, the test piece for the mechanical test can be taken out from the mechanical property test piece accommodating portion 3 and a mechanical test such as a compressive strength test can be performed.

Therefore, in the adiabatic test apparatus A of the present embodiment, these test pieces for the mechanical test are adiabatic by suppressing the heat dissipation of the hydration heat of the cement by the adiabatic main body 1, the adiabatic portion 11, and the adiabatic desorption layer 12. Since it is cured in a state, it is possible to grasp and evaluate the mechanical characteristics according to the temperature history.

Further, since the front lid portion 8 is separately formed and the front lid portion 8 of the corresponding portion that overlaps with each unit 16 of the mechanical property test body accommodating portion 3 can be individually removed, three pieces to be used for the test according to the age of the material. The front lid portion 8 can be removed only at the portion where the unit 16 containing the test piece is taken out, and the unit 16 can be pulled out forward by the slide mechanism 18 to take out three test pieces.

By removing the symmetrical portion of the front lid portion 8 separately formed in this way and sliding the unit 16 to take out the test piece to be tested, the temperature change (heat dissipation) in the accommodation space H accompanying the taking out of the test piece can be taken out. ) Can be prevented, that is, the test specimen can be suitably cured in the heat insulating state without impairing the heat insulating state of the other test body.

Further, after taking out the three test pieces, the unit 16 is returned to the accommodation space H by the slide mechanism 18, and the front lid portion 8 is returned to the original position and attached to continue the heat insulating state of the other test pieces. Can be retained.

As a result, in the adiabatic test apparatus A of the present embodiment, it is possible to grasp and evaluate the mechanical characteristics according to the temperature history while reliably maintaining the temperature in the accommodation space H.

Therefore, according to the adiabatic test apparatus A of the present embodiment, it is possible to carry out the test of the adiabatic temperature characteristic and the adiabatic mechanical characteristic with high accuracy and reliability. In addition, it becomes possible to realize and provide a device having excellent handleability.

Further, in the adiabatic test apparatus A of the present embodiment, since the buffer layer 17 is provided between the mechanical property test body accommodating portion 3 and the thermal characteristic test body accommodating portion 2, both accommodating portions 2 and 3 are provided. The buffer layer 17 can absorb the stress caused by the strain of the housed test piece and the external force acting when the device A moves, when the test piece for mechanical properties is taken out, and the like. This makes it possible to grasp the thermal characteristics and mechanical characteristics more accurately.

Here, it is difficult to maintain a complete heat insulating state by heat dissipation even in the heat insulating test device A according to the present invention as well as the conventional heat insulating test device, and the inside of the device at the time of the simple physical property test (center of the heat insulating container). The temperature history of the part) is shown in FIG.

Therefore, it is necessary to correct the thermal characteristic values (adiabatic temperature rise type, thermal conductivity, specific heat, surface heat transfer coefficient) so as to fit the temperature history measured by the adiabatic test apparatus A of the present embodiment.

In making this correction, first, the thermal conductivity and specific heat of concrete and heat insulating materials, which have thermal characteristics, hardly change depending on the materials used, and the surface heat transfer coefficient also changes unless special curing is applied. It has been confirmed that it is not significantly affected by the heat, and it can be regarded as almost constant.

Therefore, in this embodiment, we focus on the adiabatic temperature rise formula that changes depending on the materials used and the composition, and optimize this adiabatic temperature rise formula by fitting it to the temperature history.
This optimization method is shown below.

In the concrete heat insulation temperature rise type (hydration heat generation model considering time dependence), when the target concrete is placed in a state where it does not dissipate heat from the surroundings at all, it rises to the maximum temperature due to self-heat generation, and at that time The ascending speed is given approximately, and generally, the one expressed by the following equation (1) is known. Q _∞ is the ultimate adiabatic temperature rise (° C), γ and β are dimensionless constants related to the rate of rise, and t is the age (day).

From equation (1), it can be seen that the amount of increase in heat insulation temperature is determined by the age of the material t and is not related to the concrete temperature at the target position. However, the constants relating to the amount and rate of increase in the ultimate adiabatic temperature vary depending on the driving temperature, the unit cement amount, and the type of cement.

Therefore, in order to optimize the adiabatic temperature rise equation, it is necessary to determine three variables of the unit cement amount, the cement type and the time change, the ultimate adiabatic temperature rise amount, and the constants γ and β regarding the rise rate. In addition, since these three variables interact with each other, it is necessary to optimize them in consideration of them.

Based on this, in this embodiment, a particle swarm optimization method (PSO) is used to identify the above three variables.

PSO is a search algorithm for obtaining the optimum value solution of an objective function by moving a large number of particles in a multidimensional space. The feature of PSO is that it can find a solution more quickly than other conventional optimization methods, it can be applied to continuous problems without the need for differential information of the objective function, and it can handle multiple parameters. And so on.

Then, the PSO can be optimized by the following equations (2) and (3).
ν it and ν it + 1 are velocity vectors in steps ^k and _k + ¹ of the particle _i , w is the inertial coefficient, c ₁ and c ₂ are cognitive (when weighting the experience of each particle) and social (of the group). (When weighted by experience) Parameters, r ₁ and r ₂ are uniform random numbers between 0 and 1, χ it and χ it + 1 are position vectors in steps ^k and _k + ¹ of the particle _i , gbest is step k. Where the objective function is the best position information, pbest _i is the position information where the particle i is the best in step k, and Δt is the time increment.

In PSO, each particle is compared with the evaluation value at the best position (pbest: Personal best position) in the trajectory that has moved to the past (up to the previous step), and the current evaluation value is the past evaluation value. If it is in a better position, the current evaluation value is set as pbest. In addition, when the pbest is updated, a comparison is made with the evaluation value at the best position (gbest: Global best position) so far in the entire particle group, and the current evaluation value is better than the previous evaluation value. If it is a position, the current evaluation value is gvest.

Specifically, FIG. 9 shows the examination procedure by PSO.

As shown in FIG. 9, first, in Step 1, the initial stage of the particles in the n-dimensional (three-dimensional because they are three variables of the constants γ and β related to the final adiabatic temperature rise amount and the rise rate in this embodiment). Arbitrarily set the position and initial speed.

For example, from the cement used, the amount of unit cement, and the driving temperature, the calculation formula of the adiabatic temperature rise formula shown in the "Mass Concrete Crack Control Guideline (2016)" by the Japan Concrete Engineering Association is used. Set the initial position and initial speed.

In Step 2, for example, as shown in the equation (4), the residual sum of squares of the temperature measurement value (time step number n) and the analysis value at the target position is minimized (when a threshold value is set and the sum is smaller than that). Alternatively, it ends when the set maximum number of calculation steps is reached (calculation of each variable).

In Step3, Step4 to Step8 are repeated for each particle to optimize the variables.

In Step 4, temperature analysis (using the set constants γ and β regarding the amount of ultimate adiabatic temperature rise and the rate of rise) is performed for comparison with the temperature measurement results. As mentioned above, other thermal characteristic values are treated as constants.

In Step 5, the best position pbest of each particle is updated and saved.

In Step 6, the best position gbest of the particle swarm is updated and saved.

In Step 7, based on the best position in the current step k, the velocity vector of each particle in the next step is calculated using the above equation (2). However, a limit value v _max is set in advance for the velocity of each particle, and when the velocity obtained by the equation (2) exceeds v _max , v _max is used as the velocity vector in the next step. do.

In Step 8, the position of each particle is calculated using the above formula (3).

The temperature analysis itself may be performed using, for example, commercially available temperature analysis software such as JCMAC3 or ASTEA-MACS.

At this time, since the same heat insulating container and the same heat insulating material are used, if the mesh layout is set in advance, the trouble of creating a model can be saved. In addition, as described above, if the materials and conditions are the same except for the three variables of the target heat insulation temperature rise formula, it is possible to save the trouble of input by setting them as fixed values (constants) in advance. can.

Therefore, the temperature analysis carried out in Step 4 is shown in the temperature measurement value at the position to be evaluated as the initial value, the outside air temperature, and the "Mass Concrete Crack Control Guideline (2016)" by the Japan Concrete Engineering Association. Only the constants γ and β related to the final adiabatic temperature rise and the rate of rise calculated from the formula for the adiabatic temperature rise.

Then, in the present embodiment, for example, using a simple program such as Visual Basic, a reference file input window is provided on the input screen so that the cement type, unit cement amount, driving temperature, and measurement result can be pasted in CSV. If you create it and input it there, you can automatically perform optimization by PSO and linkage to temperature analysis inside the program. In addition, defaults are prepared for the threshold setting and the maximum number of calculations so that the user can customize them.

As an output, a diagram comparing the optimized ultimate adiabatic temperature rise amount, the values of constants γ and β related to the rise rate and the measured value and the temperature history at the time of optimization, and a diagram of the history of the adiabatic temperature rise are shown. To.

Although the embodiment of the heat insulating test apparatus according to the present invention has been described above, the present invention is not limited to the above-mentioned embodiment and can be appropriately modified without departing from the spirit of the present invention.

For example, in the present embodiment, it has been described that the heat generating material during curing is concrete (cement-based material), but as described above, the heat generating material during curing according to the present invention is mortar, cement paste, resin, or the like over time. It is possible to use the adiabatic test apparatus according to the present invention for a simple test of thermal properties and mechanical properties of any material in which curing progresses and heat generation occurs during curing.

Further, in the present embodiment, it is assumed that the mechanical property test body accommodating portion 3 is provided at symmetrical positions on the left and right sides of the thermal characteristic test body accommodating portion 2, but the thermal characteristic test body accommodating portion 2 and the mechanical characteristics are not necessarily provided. The relative position of the test piece accommodating portion 3 does not have to be limited as in the present embodiment. For example, in a plan view, a plurality of test body curing parts 15 for mechanical characteristics may be arranged at equal intervals in the circumferential direction, centering on the test body curing part 10 for thermal characteristics.

Further, in the present embodiment, it is assumed that the mechanical property test body accommodating unit 3 is provided with 24 mechanical property test body curing parts 15, but it is necessary to limit the number of the mechanical property test body curing parts 15. There is no. Further, it is not necessary to limit the arrangement of the test body curing unit 15 for mechanical properties in the mechanical property test body accommodating unit 3.

1 Insulation main body 2 Thermal property test body housing 3 Mechanical property test body housing 4 Upper lid 5 Lower lid 6 Right side lid 7 Left side lid 8 Front lid 9 Back lid 10 Thermal characteristic test body curing Part 11 Insulation part (heat insulation part on the test piece side for thermal characteristics, heat insulation part on the test piece side for mechanical characteristics)
12 Insulation desorption layer 15 Test body for mechanical properties Curing section 16 Unit (curing box)
17 Buffer layer 18 Slide mechanism 19 Guide means 20 Sliding means 21 Handle A Insulation test device H Accommodation space

Claims (5)

It is an adiabatic test device for grasping the mechanical properties of the material after reproducing the adiabatic temperature characteristics and the adiabatic state of the material that generates heat during curing.
Insulation main body that isolates the accommodation space from the outside while forming the accommodation space inside,
A thermal property test specimen accommodating portion provided in the accommodating space and accommodating a test specimen for a thermal property test of a material that generates heat during curing,
It is provided in the accommodation space and is provided with a mechanical property test body accommodating portion for accommodating a test body for a mechanical property test of a heat-generating material at the time of curing.
The thermal characteristic test body accommodating portion includes a thermal characteristic test body curing section for curing the thermal characteristic test body, and a thermal characteristic test provided between the thermal characteristic test body curing section and the heat insulating body portion. Equipped with a body side insulation
The mechanics property test body accommodating part is a mechanics property test body curing part that cures the mechanics property test body, and a mechanics property test provided between the mechanics property test body curing part and the heat insulating body part. Equipped with a body-side insulation part ,
A slide mechanism for advancing and retreating the thermal property test body accommodating portion and the mechanical property test object accommodating portion in the front-rear direction is provided.
The thermal property test body housing unit and the mechanical property test body housing unit are individually configured to be able to be pulled forward.
Further, the test piece is designated between the heat insulating portion on the test piece side for thermal characteristics and the test piece for the thermal property test, and between the heat insulating part on the test piece side for mechanical properties and the test piece for the mechanical property test, respectively. A heat insulating and desorbing layer having a molding performance of maintaining the shape of the above, a heat insulating performance, and a peeling performance of desorbing the test piece is provided.
A device for heat insulation test of a heat-generating material during curing, in which the test body for thermal property test and the test body for mechanical property test are simultaneously housed in the storage space and cured in a heat insulating state. The heat insulating body portion arranged in front of the thermal property test body accommodating portion and the heat insulating main body portion arranged in front of the mechanical property test body accommodating portion are individually and detachably formed separately. The device for heat insulation test of a heat generating material at the time of curing according to claim 1 .
The device for heat insulation test of a heat-generating material during curing according to claim 1 or 2 , wherein the curing unit for the test body for thermal characteristics is provided with at least one of a temperature measuring means and a strain measuring means. The device for heat insulation test of a heat-generating material at the time of curing according to any one of claims 1 to 3 , wherein the heat insulating body portion and the heat insulating portion are styrofoam foamed 15 times. The device for heat insulation test of a heat-generating material during curing according to any one of claims 1 to 4 , wherein the mechanical property test body accommodating portion is symmetrically arranged between the thermal property test object accommodating portions.

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