CN215339177U - Test block forming die for basalt fiber concrete three-point bending test - Google Patents
Test block forming die for basalt fiber concrete three-point bending test Download PDFInfo
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- CN215339177U CN215339177U CN202121052127.XU CN202121052127U CN215339177U CN 215339177 U CN215339177 U CN 215339177U CN 202121052127 U CN202121052127 U CN 202121052127U CN 215339177 U CN215339177 U CN 215339177U
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Abstract
The utility model discloses a test block forming die for a basalt fiber concrete three-point bending test, which comprises a forming part and a prefabricated crack part, wherein the forming part is used for pouring a test block and comprises a bottom plate, a front side wall, a rear side wall, a left baffle and a right baffle, and the bottom plate, the front side wall, the rear side wall, the left baffle and the right baffle are mutually assembled to form a pouring cavity; the prefabricated crack part comprises a fixed plate and a prefabricated crack plate vertically arranged in the middle of the bottom surface of the fixed plate, the fixed plate is arranged on the forming part, the prefabricated crack plate is perpendicular to the front side wall and the rear side wall, and the fixed plate is connected with the bottom plate through a lifting mechanism.
Description
Technical Field
The utility model belongs to the technical field of concrete forming molds for concrete detection tests, and particularly relates to a test block forming mold for a basalt fiber concrete three-point bending test.
Background
At present, the method for improving the high-temperature resistance and the crack resistance coefficient of the concrete by doping the basalt fiber into the concrete becomes one of the research fields which are more and more concerned by numerous scholars, measures the fracture resistance of the basalt fiber concrete, and more accurately applies the basalt fiber concrete to actual engineering, thereby having important practical significance.
In the prior art, scientific research workers often adopt a three-point bending method to carry out fracture resistance tests on basalt fiber concrete test blocks provided with prefabricated cracks, when the test blocks are manufactured, the prefabricated cracks are mostly formed by directly inserting prefabricated crack plates when the basalt fiber concrete test blocks are poured, but in the vibrating process of the basalt fiber concrete, the positions of the prefabricated crack plates can inevitably deviate up and down or leftwards and rightwards, the prefabricated cracks on the test blocks are not in accordance with expectations, the positions are not accurate enough, and the tests performed by using the test blocks can cause larger test errors.
In summary, the following problems exist in the prior art: the prefabricated crack position of test block is not accurate enough, leads to the experimental error great.
SUMMERY OF THE UTILITY MODEL
The utility model provides a test block forming die for a basalt fiber concrete three-point bending test, which is used for solving the problem that in the prior art, the test error is larger due to the fact that the prefabricated crack position of a test block is not accurate enough.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a basalt fiber concrete three point bending test is with test block forming die which characterized in that: the device comprises a forming part and a prefabricated crack part, wherein the forming part is used for pouring a test block and comprises a bottom plate, a front side wall, a rear side wall, a left baffle and a right baffle, and the bottom plate, the front side wall, the rear side wall, the left baffle and the right baffle are mutually assembled to form a pouring cavity; the prefabricated crack part comprises a fixed plate and a prefabricated crack plate vertically arranged in the middle of the bottom surface of the fixed plate, the fixed plate is arranged on the forming part, the prefabricated crack plate is perpendicular to the front side wall and the rear side wall, and the fixed plate is connected with the bottom plate through a lifting mechanism.
Furthermore, the fixed plate and the prefabricated crack plate are detachably connected, a trapezoidal groove is formed in the middle of the bottom surface of the fixed plate, a trapezoidal flange matched with the trapezoidal groove in the middle of the bottom surface of the fixed plate is arranged at the upper end of the prefabricated crack plate, and the width of the prefabricated crack plate is matched with the width of the inner cavity of the forming portion.
Furthermore, the middle part above the fixed plate is also provided with a locking piece C for fixing the prefabricated crack plate, the locking piece C penetrates through the fixed plate and offsets with the prefabricated crack plate, and the locking piece C is in threaded connection with the fixed plate.
Further, elevating system includes a plurality of screw thread bracing piece, and the screw thread bracing piece distributes in the bottom plate both ends, and the lower extreme and the bottom plate fixed connection of every screw thread bracing piece, the other end of screw thread bracing piece run through the fixed plate and pass through retaining member B locking fixed.
Further, the both ends of preceding lateral wall, posterior lateral wall are connected fixedly through fixer A, and fixer A includes a plurality of threaded connection pole, and every threaded connection pole runs through preceding lateral wall and posterior lateral wall and passes through retaining member A relatively fixed.
Further, still be equipped with the through-hole with the screw thread bracing piece adaptation on the threaded connection pole, the screw thread bracing piece runs through behind the through-hole on the threaded connection pole with bottom plate threaded connection, and the threaded connection pole passes through retaining member B locking with the screw thread bracing piece and fixes.
Furthermore, the inner surfaces of the front side wall and the rear side wall are respectively provided with a trapezoidal groove along the height direction, and the two side edges of the left baffle and the right baffle are respectively provided with a trapezoidal flange matched with the trapezoidal grooves on the inner surfaces of the front side wall and the rear side wall.
Furthermore, the upper surface of the bottom plate is provided with a trapezoidal groove along the length direction of the bottom plate, and the bottom edges of the front side wall and the rear side wall are also provided with trapezoidal flanges matched with the trapezoidal groove on the upper surface of the bottom plate.
Furthermore, the upper surface of the bottom plate is also provided with a groove along the width direction of the bottom plate, and the width of the groove is matched with the thicknesses of the left baffle and the right baffle.
Due to the adoption of the structure, compared with the prior art, the utility model has the technical progress that: assembling a bottom plate, a front side wall, a rear side wall, a left baffle and a right baffle mutually to form a forming part for pouring a test block, forming a prefabricated crack part through a fixed plate and a prefabricated crack plate vertically arranged in the middle of the fixed plate, arranging the fixed plate on the forming part, enabling the prefabricated crack plate to be vertical to the front side wall and the rear side wall, and connecting the fixed plate and the bottom plate through a lifting mechanism; before basalt fiber concrete pouring, the bottom plate, the front side wall, the rear side wall, the left baffle and the right baffle are assembled to form a pouring cavity for pouring a test block, then the fixed plate is lowered to a specified position through the lifting mechanism and then locked and fixed, then the basalt fiber concrete pouring is carried out, the prefabricated crack plate is placed into a curing chamber for curing after being vibrated and filled through the vibrating table, and the prefabricated crack plate is fixedly connected with the fixed plate and fixedly connected with the bottom plate through the lifting mechanism, so that the prefabricated crack plate is stably positioned at the position of a prefabricated crack in the pouring cavity and cannot move along with the pouring of the basalt fiber concrete or the vibrating of the basalt fiber concrete, and the position accuracy of the prefabricated crack is ensured; after 12 hours, moving out the prefabricated crack plate, loosening the lifting mechanism and the fixed plate, and driving the prefabricated crack plate to slowly move out by the fixed plate through the lifting mechanism; after 24 hours of maintenance, the forming part is dismantled, the test block is taken out, and the test block is maintained in a maintenance room for 28 days for the subsequent test;
in conclusion, the utility model has the advantages of high test block prefabricated crack position precision and accurate test result, and is suitable for the technical field of concrete forming molds for concrete detection tests.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a connection between a fixing plate and a pre-crack plate according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a base plate according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a front sidewall according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a left baffle according to an embodiment of the utility model.
Labeling components: 1-bottom plate, 2-front side wall, 3-left baffle, 4-threaded support rod, 5-fixing plate, 6-locking piece B, 7-crack prefabricated plate, 8-locking piece C, 9-rear side wall, 10-right baffle, 11-threaded connecting rod and 12-locking piece A.
Detailed Description
Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the present invention.
The utility model discloses a test block forming die for a basalt fiber concrete three-point bending test, which comprises a forming part and a prefabricated crack part, wherein the forming part is used for pouring a test block and comprises a bottom plate 1, a front side wall 2, a rear side wall 9, a left baffle 3 and a right baffle 10, and the bottom plate 1, the front side wall 2, the rear side wall 9, the left baffle 3 and the right baffle 10 are mutually assembled to form a pouring cavity; the prefabricated crack part comprises a fixed plate 5 and a prefabricated crack plate 7 vertically arranged in the middle of the bottom surface of the fixed plate 5, the fixed plate 5 is arranged on the forming part, the prefabricated crack plate 7 is vertical to the front side wall 2 and the rear side wall 9, and the fixed plate 5 is connected with the bottom plate 1 through a lifting mechanism; the lifting mechanism comprises a plurality of threaded support rods 4, the threaded support rods 4 are distributed at two ends of the bottom plate 1, the lower end of each threaded support rod 4 is fixedly connected with the bottom plate 1, and the other end of each threaded support rod 4 penetrates through the fixing plate 5 and is locked and fixed through a locking piece B6; the two ends of the front side wall 2 and the rear side wall 9 are fixedly connected through a fixer A, the fixer A comprises a plurality of threaded connecting rods 11, and each threaded connecting rod 11 penetrates through the front side wall 2 and the rear side wall 9 and is relatively fixed through a locking piece A12; the threaded connecting rod 11 is also provided with a through hole matched with the threaded supporting rod 4, the threaded supporting rod 4 penetrates through the through hole in the threaded connecting rod 11 and then is in threaded connection with the bottom plate 1, and the threaded connecting rod 11 and the threaded supporting rod 4 are locked and fixed through a locking piece B6. The material of bottom plate 1, preceding lateral wall 2, back lateral wall 9, left baffle 3 and right baffle 10 can be for wooden, metal material or PVC plastics, adopts metal material in this embodiment, guarantees that the test block shape is regular. The front side wall 2 and the rear side wall 9 are identical in structure, the left baffle 3 and the right baffle 10 are identical in structure, the number of the threaded support rods 4 is 4, the lower ends of the threaded support rods 4 are fixedly connected with the bottom plate 1 through threads, the other ends of the threaded support rods 4 penetrate through the fixing plate 5 and are fixedly locked through locking pieces B6, each threaded support rod 4 is provided with two locking pieces B6 used for locking the fixing plate 5, and the two locking pieces B6 are respectively located on the upper side and the lower side of the fixing plate 5; the number of the threaded connecting rods 11 is two, the two threaded connecting rods 11 are respectively located at two ends of the front side wall 2 and the rear side wall 9, the height of the prefabricated crack plate 7 is larger than the required prefabricated crack depth, and after the prefabricated crack plate 7 reaches the required position, the fixed plate 5 can be ensured to be away from the upper end face of the forming part by a certain distance, so that space is provided for basalt fiber concrete filling. In this embodiment, the locking member a is a butterfly nut adapted to the threaded connection rod 11, and the locking member B6 is a butterfly nut adapted to the threaded support rod 4, so that the manual adjustment is convenient.
The beneficial effect of this embodiment lies in: with bottom plate 1, preceding lateral wall 2, back lateral wall 9, left baffle 3 and right baffle 10 are assembled each other and are formed the shaping portion that is used for pouring the test block, threaded connection bolt passes preceding lateral wall 2 and back lateral wall 9 and passes through retaining member A12 locking, make preceding lateral wall 2 and back lateral wall 9 press from both sides tight left baffle 3 and right baffle 10, 4 lower extremes of screw thread bracing piece and bottom plate 1 threaded connection, and screw thread bracing piece 4 passes screw thread bracing piece 11 and passes through retaining member B6 locking fixed, make preceding lateral wall 2, back lateral wall 9, left baffle 3 and right baffle 10 press from both sides tightly with the base, form a whole that is used for cement to pour, and this whole is for can dismantle the connection, can recycle, and convenient operation. The fixed plate 5 and the prefabricated crack plate 7 vertically arranged in the middle of the fixed plate 5 form a prefabricated crack part, the fixed plate 5 is arranged on the forming part, the prefabricated crack plate 7 is vertical to the front side wall 2 and the rear side wall 9, and the fixed plate 5 and the bottom plate 1 are fixedly connected through a threaded support rod 4 and a locking part B6; before basalt fiber concrete is poured, the bottom plate 1, the front side wall 2, the rear side wall 9, the left baffle plate 3 and the right baffle plate 10 are assembled and fixed to form a pouring cavity for pouring a test block, then the locking part B6 below the fixed plate 5 is adjusted to a specified position, the fixed plate 5 descends along with the locking part B6, meanwhile, the prefabricated crack plate 7 descends to the height required by the pouring cavity, the locking part B6 above the fixed plate 5 is locked, the fixed plate 5 and the threaded support rod 4 are fixed, then, the basalt fiber concrete is poured, after being tamped by the vibrating table, the prefabricated crack plate 7 is placed into a curing chamber for curing, as the prefabricated crack plate 7 is fixedly connected with the fixed plate 5, the fixed plate 5 is fixedly connected with the bottom plate 1 through the threaded support rod 4, the prefabricated crack plate 7 is stably positioned at the position of the prefabricated crack in the pouring cavity, and cannot move along with the pouring of the basalt fiber concrete or the tamping of the basalt fiber concrete, the position accuracy of the prefabricated crack is ensured.
As a preferred embodiment of the present invention, as shown in fig. 2, the fixing plate 5 is detachably connected to the pre-crack plate 7, a trapezoidal groove is disposed at the middle position of the bottom surface of the fixing plate 5, a trapezoidal flange adapted to the trapezoidal groove at the middle of the bottom surface of the fixing plate 5 is disposed at the upper end of the pre-crack plate 7, and the width of the pre-crack plate 7 is adapted to the width of the inner cavity of the forming portion; the middle part above the fixing plate 5 is also provided with a locking piece C8 for fixing the prefabricated crack plate 7, the locking piece C8 penetrates through the fixing plate 5 to be abutted against the prefabricated crack plate 7, and the locking piece C8 is in threaded connection with the fixing plate 5. The fixed plate 5 is detachably connected with the prefabricated crack plate 7, so that the prefabricated crack plate 7 with different thicknesses can be replaced, and the requirements of prefabricating cracks with different specifications required by tests are met; a trapezoidal groove is formed in the middle of the bottom surface of the fixed plate 5, a trapezoidal flange matched with the trapezoidal groove in the middle of the bottom surface of the fixed plate 5 is arranged at the upper end of the prefabricated crack plate 7, and the prefabricated crack plate 7 can be replaced conveniently and quickly by drawing; the locking member C8 penetrates through the fixing plate 5 to abut against the prefabricated crack plate 7, the fixing plate 5 and the prefabricated crack plate 7 can be relatively fixed through threaded connection of the locking member C8 and the fixing plate 5, the prefabricated crack plate 7 cannot shake or shift, the width of the prefabricated crack plate 7 is matched with the inner cavity of the forming part, the crack prefabricated plate can smoothly enter and exit the cavity of the forming part, and the length of the prefabricated crack is guaranteed. The locking piece C8 adopts the thumb bolt in this embodiment, and manual regulation is convenient.
As a preferred embodiment of the present invention, as shown in fig. 3, 4 and 5, the inner surfaces of the front side wall 2 and the rear side wall 9 are both provided with a trapezoidal groove along the height direction thereof, and both side edges of the left baffle 3 and the right baffle 10 are both provided with trapezoidal flanges adapted to the trapezoidal grooves of the inner surfaces of the front side wall 2 and the rear side wall 9; the upper surface of the bottom plate 1 is provided with a trapezoidal groove along the length direction, and the bottom edges of the front side wall 2 and the rear side wall 9 are also provided with trapezoidal flanges matched with the trapezoidal groove of the bottom plate 1; the upper surface of the bottom plate 1 is also provided with a groove along the width direction, and the shape of the groove is matched with the thickness of the left baffle 3 and the right baffle 10. The bottom edges of the front side wall 2 and the rear side wall 9 are in a trapezoidal flange structure and are inserted into the trapezoidal groove of the bottom plate 1; the two sides of the left baffle 3 and the right baffle 10 are in trapezoidal flange structures and are inserted into trapezoidal grooves in the inner surfaces of the front side wall 2 and the rear side wall 9, and meanwhile, the bottom surfaces of the left baffle 3 and the right baffle 10 are inserted into grooves of the bottom plate 1, so that the front side wall 2, the rear side wall 9, the left baffle 3, the right baffle 10 and the bottom plate 1 are matched more tightly, the leakage of basalt fiber concrete slurry is prevented, and the assembly and disassembly are convenient; the upper end faces of the left baffle 3 and the right baffle 10 are provided with threaded holes for disassembly, and lifting rings can be installed at the threaded holes during disassembly so as to facilitate the removal of the baffles on two sides.
The working principle of the utility model is as follows:
firstly, assembling a mold: respectively inserting the front side wall 2 and the rear side wall 9 into the trapezoidal grooves of the bottom plate 1, then inserting the left baffle 3 and the right baffle 10 into the trapezoidal grooves of the front side wall 2 and the rear side wall 9, simultaneously inserting the left baffle 3 and the right baffle 10 into the corresponding grooves of the bottom plate 1, penetrating the two threaded connecting rods 11 through the front side wall 2 and the rear side wall 9, locking and fixing the threaded connecting rods through locking pieces A12, penetrating the lower ends of the threaded supporting rods 4 through the threaded connecting rods 11 to be connected and fixed with the bottom plate 1, and screwing the locking pieces B6 to enable the front side wall 2, the rear side wall 9, the left baffle 3, the right baffle 10 and the bottom plate 1 to form a stable pouring cavity; then, a locking member B6 is preset at the equal height of each threaded support rod 4, the fixing plate 5 is lowered to a preset locking member B6 along the threaded support rod 4, then the prefabricated crack plate 7 with the required specification is selected to be inserted into a trapezoidal groove in the middle of the fixing plate 5, and the fixing plate 5 and the prefabricated crack plate 7 are fixed through a locking member C8; and adjusting the position of a preset locking member B6 to enable the prefabricated crack plate 7 connected with the fixed plate 5 to descend into the specified position in the pouring cavity, and then installing a locking member B6 on each thread support rod 4 to lock the fixed plate 5.
Then, pouring basalt fiber concrete: the method is characterized in that the stirred basalt fiber concrete is filled into the forming part, the basalt fiber concrete is vibrated and filled through the vibrating table and then is placed into a curing room for curing, the prefabricated crack plate 7 is fixedly connected with the fixed plate 5, and the fixed plate 5 is fixedly connected with the bottom plate 1 through the threaded support rod 4, so that the prefabricated crack plate 7 is stably positioned at the position of the prefabricated crack in the pouring cavity and cannot move along with pouring of the basalt fiber concrete or vibrating of the basalt fiber concrete, and the position accuracy of the prefabricated crack is ensured.
Finally, dismantling the die: after 12 hours, the prefabricated crack plate 7 is moved out, the locking part B6 on the fixed plate 5 is screwed out, and then the locking part B6 on the lower surface of the fixed plate 5 is rotated, so that the fixed plate 5 and the prefabricated crack plate 7 move upwards together for a certain distance and then are moved out; after 24 hours through the maintenance, demolish the shaping portion, loosen retaining member B6 of fixed threaded support pole 4 and threaded connection pole 11 earlier, demolish four threaded support poles 4, loosen retaining member A12 again, demolish two threaded connection poles 11, install rings on the screw hole on left baffle 3 and right baffle 10, extract left baffle 3 and right baffle 10 along the dovetail groove direction of preceding lateral wall 2 and back lateral wall 9 internal surface, later release preceding lateral wall 2 and back lateral wall 9 along bottom plate 1 dovetail groove direction, take out the test block at last, maintain the test block in the maintenance room for 28 days, for going on of follow-up test
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a basalt fiber concrete three point bending test is with test block forming die which characterized in that: the device comprises a forming part and a prefabricated crack part, wherein the forming part is used for pouring a test block and comprises a bottom plate, a front side wall, a rear side wall, a left baffle and a right baffle, and the bottom plate, the front side wall, the rear side wall, the left baffle and the right baffle are mutually assembled to form a pouring cavity; the prefabricated crack portion comprises a fixed plate and a prefabricated crack plate vertically arranged in the middle of the bottom surface of the fixed plate, the fixed plate is arranged on the forming portion, the prefabricated crack plate is perpendicular to the front side wall and the rear side wall, and the fixed plate is connected with the bottom plate through a lifting mechanism.
2. The basalt fiber concrete three-point bending test block forming die of claim 1, wherein: the fixed plate and the prefabricated crack plate are detachably connected, a trapezoidal groove is formed in the middle of the bottom surface of the fixed plate, a trapezoidal flange matched with the trapezoidal groove in the middle of the bottom surface of the fixed plate is arranged at the upper end of the prefabricated crack plate, and the width of the prefabricated crack plate is matched with the width of the inner cavity of the forming portion.
3. The basalt fiber concrete three-point bending test block forming die of claim 1, wherein: the middle part still is equipped with retaining member C that is used for fixed prefabricated crack board above the fixed plate, and retaining member C runs through the fixed plate and offsets with prefabricated crack board, retaining member C and fixed plate threaded connection.
4. The basalt fiber concrete three-point bending test block forming die of claim 1, wherein: elevating system includes a plurality of screw thread bracing piece, and the screw thread bracing piece distributes in the bottom plate both ends, and the lower extreme and the bottom plate fixed connection of every screw thread bracing piece, the other end of screw thread bracing piece run through the fixed plate and pass through retaining member B locking fixed.
5. The basalt fiber concrete three-point bending test block forming die of claim 4, wherein: the both ends of preceding lateral wall, back lateral wall are connected fixedly through fixer A, and fixer A includes a plurality of threaded connection pole, and every threaded connection pole runs through preceding lateral wall and back lateral wall and passes through retaining member A relatively fixed.
6. The basalt fiber concrete three-point bending test block forming die of claim 5, wherein: the threaded connecting rod is also provided with a through hole matched with the threaded supporting rod, the threaded supporting rod is in threaded connection with the bottom plate after penetrating through the through hole in the threaded connecting rod, and the threaded connecting rod and the threaded supporting rod are locked and fixed through a locking piece B.
7. The basalt fiber concrete three-point bending test block forming die of claim 1, wherein: the inner surfaces of the front side wall and the rear side wall are respectively provided with a trapezoidal groove along the height direction, and the two side edges of the left baffle and the right baffle are respectively provided with a trapezoidal flange matched with the trapezoidal grooves on the inner surfaces of the front side wall and the rear side wall.
8. The basalt fiber concrete three-point bending test block forming die of claim 1, wherein: the bottom plate upper surface is equipped with along its length direction's dovetail groove, preceding lateral wall and back lateral wall base still are equipped with the trapezoidal edge of a wing with the dovetail groove adaptation of bottom plate upper surface.
9. The basalt fiber concrete three-point bending test block forming die of claim 1, wherein: the upper surface of bottom plate still is equipped with along its width direction's recess, the width of recess and left baffle and right baffle thickness looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121052127.XU CN215339177U (en) | 2021-05-17 | 2021-05-17 | Test block forming die for basalt fiber concrete three-point bending test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121052127.XU CN215339177U (en) | 2021-05-17 | 2021-05-17 | Test block forming die for basalt fiber concrete three-point bending test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215339177U true CN215339177U (en) | 2021-12-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121052127.XU Active CN215339177U (en) | 2021-05-17 | 2021-05-17 | Test block forming die for basalt fiber concrete three-point bending test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215339177U (en) |
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2021
- 2021-05-17 CN CN202121052127.XU patent/CN215339177U/en active Active
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