CN217268353U - Novel prefabricated assembled constructional column of regeneration block body concrete - Google Patents

Novel prefabricated assembled constructional column of regeneration block body concrete Download PDF

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Publication number
CN217268353U
CN217268353U CN202121270450.4U CN202121270450U CN217268353U CN 217268353 U CN217268353 U CN 217268353U CN 202121270450 U CN202121270450 U CN 202121270450U CN 217268353 U CN217268353 U CN 217268353U
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China
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section
concrete
block
festival section
template
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周林仁
王培钊
陈兰
刘光荣
田甜
苗帅
王万方
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South China University of Technology SCUT
China Construction Fourth Engineering Division Corp Ltd
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South China University of Technology SCUT
China Construction Fourth Engineering Division Corp Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The utility model discloses a novel prefabricated assembled constructional column of regenerated block concrete, which comprises a top grouting template, an upper segment, a middle segment and a lower segment; upper portion festival section, middle part festival section and lower part festival section are all including interior longitudinal reinforcement, interior stirrup, the side direction income wall reinforcing bar, abandonment concrete block and ordinary concrete, interior longitudinal reinforcement and interior stirrup ligature form the steel reinforcement cage, the side direction is gone into the wall reinforcing bar and is run through the steel reinforcement cage, abandonment concrete block is located the steel reinforcement cage, ordinary concrete cladding steel reinforcement cage and abandonment concrete block, the interior longitudinal reinforcement of lower part festival section inserts in the encapsulating hole on the sill plate, the longitudinal reinforcement of middle part festival section lower extreme inserts in the encapsulating hole of lower part festival section, the longitudinal reinforcement of upper portion festival section lower extreme inserts in the encapsulating hole of middle part festival section, top grout template is located between upper portion festival section and the roof beam board, the space between sealed upper portion festival section of top grout template and the roof beam board, grout passes through in the one-way check valve injection top grout template of PVC.

Description

Novel prefabricated assembled constructional column of regeneration block body concrete
Technical Field
The utility model relates to a constructional column construction technical field, in particular to novel prefabricated assembled constructional column of regeneration block concrete.
Background
The constructional columns are important anti-seismic measures of masonry structures and filler walls, can effectively control cracking of the wall body, remarkably improve stability and strength of the wall body under various load effects, greatly increase integrity of the wall body and rigidity of the structure, and can resist adverse effects of large vibration loads on houses. The constructional column structure is a concrete column which is manufactured at a specified position of a wall body of a masonry house according to structural reinforcement and a construction sequence of firstly building a wall and then pouring the concrete column, is not a main bearing structure, does not need to bear vertical load, and mainly bears transverse shearing resistance and plays a role in resisting earthquake.
At present, the constructional column used on site is mostly cast-in-place, but the cast-in-place constructional column has two problems. Firstly, the cast-in-place constructional column is not easy to vibrate, so that the constructional column is not good in quality, and honeycombs and pitted surfaces are easy to appear; secondly, the top of the constructional column is difficult to connect with the beam slab and the construction is difficult, which causes the labor cost to be greatly increased and even higher than the material cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a novel prefabricated assembled constructional column of regeneration piece concrete, compares with the full cast-in-place of traditional constructional column way, because the utility model discloses after each segmental prefabrication completion, just carry out the scene and assemble the grout in mill for installation time has saved the cost of labor.
The technical scheme of the utility model is that: a novel prefabricated assembled constructional column of regenerated block concrete comprises a top grouting template, an upper section, a middle section and a lower section;
the upper section, the middle section and the lower section respectively comprise an inner longitudinal bar, an inner stirrup, a lateral wall-entering reinforcing steel bar, a waste concrete block and common concrete, the inner longitudinal bar and the inner stirrup are bound to form a reinforcing cage, the lateral wall-entering reinforcing steel bar penetrates through the reinforcing cage, the waste concrete block is positioned in the reinforcing cage, the common concrete covers the reinforcing cage and the waste concrete block, the inner longitudinal bar of the upper section extends out of the upper end face and the lower end face of the upper section, and the inner longitudinal bars of the middle section and the lower section extend out of the lower end faces of the middle section and the lower section;
the upper end and the lower end of the upper section and the lower end of the middle section are respectively provided with a top groove and a bottom bulge, the upper end of the lower section is provided with a top groove, the top surfaces of the middle section and the lower section are respectively provided with a glue filling hole, a bottom beam plate is preset with a glue filling hole, structural glue is filled in the glue filling hole, an inner longitudinal rib of the lower section is inserted into the glue filling hole on the bottom beam plate, a longitudinal rib at the lower end of the middle section is inserted into the glue filling hole of the lower section, a longitudinal rib at the lower end of the middle section is inserted into the top groove of the middle section, a bottom bulge of the upper section is inserted into the top groove of the middle section, a top grouting template is positioned between the upper section and the top beam plate, the top grouting template seals the space between the upper section and the top beam plate, the top grouting template comprises a surrounding plate and a sealing plate, and the surrounding plate is connected with the sealing plate to form a closed whole, the longitudinal ribs on the top beam plate are bound with the inner longitudinal ribs of the upper section, a PVC one-way check valve is installed on the top grouting template, and grouting materials are injected into the top grouting template through the PVC one-way check valve to complete connection of the upper section and the top beam plate.
Further, the waste concrete block is a block formed by crushing waste concrete with strength grade of above C30.
Further, the common concrete is natural aggregate concrete or recycled aggregate concrete with the strength grade of C20-C30.
Further, the size of the waste concrete block is 60-90mm, and the substitution rate of the waste concrete block on common concrete is 20% -30%.
Further, the top grouting template is made of wood wool cement boards.
Further, the cross sections of the top groove and the bottom protrusion are both rectangular.
Further, the longitudinal length of the upper section, the middle section and the lower section is 450mm, 500mm, 550mm or 600mm, and the longitudinal length does not count the length of the inner longitudinal rib.
Furthermore, the diameter of the inner longitudinal rib is d, and the depth of the glue filling hole is 20 d.
The manufacturing method of the upper section, the middle section and the lower section comprises the steps of binding the inner longitudinal bars and the inner hoop bars to form a reinforcement cage, placing the reinforcement cage and the lateral wall-entering reinforcements in a template, placing waste concrete blocks in the reinforcement cage according to the replacement rate of the waste blocks, pouring common concrete and then maintaining, wherein PVC pipes are reserved before pouring of the middle section and the lower section, and the PVC pipes are pulled out after 4 hours of pouring to form glue pouring holes.
The construction method of the novel prefabricated assembled constructional column of the regenerated block concrete is characterized in that glue filling holes are punched in advance on the bottom beam plate, the structural glue is filled in the glue filling holes, the inner longitudinal ribs of the lower section are inserted into the glue filling holes in the bottom beam plate, the longitudinal ribs of the lower section are inserted into the glue filling holes in the lower section, the bottom protrusions of the middle section are embedded into the top grooves of the lower section, the longitudinal ribs of the lower section are inserted into the glue filling holes in the middle section, the bottom protrusions of the upper section are embedded into the top grooves of the middle section, a top grouting template is installed between the upper section and the top beam plate, the longitudinal ribs on the top beam plate are bound with the inner longitudinal ribs of the upper section, and finally grouting material is injected into the top grouting template through a PVC one-way check valve, and connection of the upper section and the top beam plate is completed.
Compared with the prior art, the utility model, following beneficial effect has:
(1) compare with traditional constructional column way cast-in-place entirely, because the utility model discloses accomplish the back with each segmental prefabrication in mill, just carry out the on-the-spot seat thick liquid of assembling/grout for installation time has saved the cost of labor.
(2) Compare with current prefabricated constructional column, the shell that makes earlier at present is all to be served as the template for the prefabricated constructional column that has now, then on-the-spot pouring concrete in the template that the concatenation is good makes the constructional column, is half prefabricated constructional column, and the utility model discloses a full prefabricated constructional column because the mill is prefabricated, pours effectually, does not have defects such as cast in situ's honeycomb pitted skin.
(3) The utility model discloses the material uses abandonment block recycled concrete can consume a large amount of building rubbish, and is energy-concerving and environment-protective. Meanwhile, waste block recycled concrete with the diameter of 60-90mm is used as a material inside, the substitution rate is 20% -30%, construction waste can be consumed to the maximum extent, and the building block recycled concrete is energy-saving and environment-friendly.
(4) The utility model discloses a with the connected mode of rectangle slot, guaranteed accuracy and stability that the scene was assembled, be favorable to the structure glue to fill uniformly in concatenation department, play good connection and atress performance.
(5) The utility model discloses prefabricated constructional column device divide into upper portion festival section, middle festival section and lower part festival section altogether, and the weight of every festival section is lower, the hoist and mount construction of the transportation and scene of being convenient for.
(6) The utility model discloses the material that prefabricated constructional column device top grout template adopted is wood wool cement board, and this material can carry out secondary operation such as drilling, nailing, cutting, and the field usage and the installation of being convenient for, and secondary operation's characteristic can make its adaptation in the various mounting height errors of actual installation, and this material can plaster on the surface. And adopt top grout template can remove the problem of various installations, dismantlements and chisel hair of traditional horn mouth from.
(7) The utility model discloses a field construction order is for doing the constructional column earlier, and the wall body is built to the back, and the constructional column can play the stabilizing action at the in-process that the wall body was built by laying bricks or stones. And because the constructional columns are made firstly and then the wall body is built, the working surface of the site construction is large, the mechanical construction can be adopted, and the labor cost is reduced.
Drawings
Fig. 1 is the structure schematic diagram of the novel prefabricated assembled constructional column of regeneration block concrete of the utility model.
Fig. 2 is a schematic structural view of the upper segment of the present invention.
Fig. 3 is a schematic structural diagram of the middle segment of the present invention.
Fig. 4 is a schematic structural view of the lower segment of the present invention.
Fig. 5 is a schematic structural view of the middle segment of the present invention before pouring the common concrete.
Fig. 6 is a schematic structural view of the top glue pouring template of the present invention.
FIG. 7 is a wall hysteretic curve of a cast-in-place constructional column.
FIG. 8 is a wall hysteretic curve of a prefabricated structural column.
Figure 9 is a different constructional column load-displacement curve.
FIG. 10 is a graph of load versus strain for various construction columns.
The top grouting formwork comprises a top grouting formwork 1, an upper section 2, a middle section 3, a lower section 4, an inner longitudinal rib 51, an inner hoop rib 52, a lateral wall-entering reinforcing steel bar 53, a waste concrete block 54, a top groove 61, a bottom bulge 62, a glue pouring hole 63, a top beam plate 7 and a bottom beam plate 8.
Detailed Description
The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.
Examples
As shown in fig. 1, the present embodiment provides a novel prefabricated fabricated concrete column of recycled blocks, which includes a top grouting form 1, an upper section 2, two middle sections 3 and a lower section 4.
As shown in fig. 2, fig. 3, fig. 4 and fig. 5, the upper section, the middle section and the lower section all comprise an inner longitudinal bar 51, an inner stirrup 52, a lateral wall-entering steel bar 53, a waste concrete block 54 and common concrete, the inner longitudinal bar and the inner stirrup are bound to form a steel reinforcement cage, the lateral wall-entering steel bar penetrates through the steel reinforcement cage, the waste concrete block is positioned in the steel reinforcement cage, the common concrete covers the steel reinforcement cage and the waste concrete block, the inner longitudinal bar of the upper section extends out of the upper end surface and the lower end surface of the upper section, and the inner longitudinal bar of the middle section and the lower section extends out of the lower end surface of the middle section and the lower section. In this embodiment, all reinforcing bars are tertiary reinforcing bar, and used interior longitudinal reinforcement diameter is 12mm, and all interior stirrup diameters are 8mm, and all side direction income wall reinforcing bar diameters are 12 mm. The length of the inner longitudinal bars extending out of the bottoms of all the sections is 240mm, the length of the lateral wall-entering reinforcing steel bars of all the sections is 1000mm, the length of the longitudinal bars extending out of the top beam plate is reserved to be 200mm, and the length of the longitudinal bars extending out of the top of the upper section is 200 mm.
As shown in fig. 2, 3, 4 and 5, top grooves 61 and bottom protrusions 62 are respectively arranged at the upper end and the lower end of the upper section and the middle section, the cross sections of the top grooves and the bottom protrusions are rectangular, the top grooves are arranged at the upper end of the lower section, and glue filling holes 63 are respectively arranged on the top surfaces of the middle section and the lower section. The diameter of the inner longitudinal rib is d, and the depth of the glue filling hole is 20 d. The manufacturing method of the upper section, the middle section and the lower section comprises the steps of binding the inner longitudinal bars and the inner hoop bars to form a reinforcement cage, placing the reinforcement cage and the lateral wall-entering reinforcements in a template, placing waste concrete blocks in the reinforcement cage according to the replacement rate of the waste blocks, pouring common concrete and then maintaining, wherein PVC pipes are reserved before pouring of the middle section and the lower section, and the PVC pipes are pulled out after 4 hours of pouring to form glue pouring holes. The diameter of the PVC pipe is d +8mm, the length of the PVC pipe is 20d +200, and the embedding depth is 20 d. In this example, the internal cross-sectional dimensions of the grooves at the top of all segments are 200mm long by 200mm wide by 20mm deep, and the cross-sectional dimensions of the protrusions at the bottom of all segments (lower segments without rectangular protrusions) are 200mm long by 200mm wide by 20mm high. The diameters of the reserved seat slurry holes at the tops of the segments are 18mm, and the depth of the reserved seat slurry holes is 280 mm. The drilling diameter of the bottom beam plate is 18mm, and the depth is 280 mm.
The waste concrete blocks are blocks formed by crushing waste concrete with the strength grade of more than C30, and the common concrete is natural aggregate concrete with the strength grade of C20-C30. The size of the waste concrete block is 60-90mm, and the substitution rate of the waste concrete block for the common concrete is 20-30%. In this example, the substitution rate of the waste concrete block for the general concrete was 25%, and the size of the waste concrete block was 75 mm.
As shown in the figures 2 and 3, respectively, fig. 4, as shown in fig. 5, the encapsulating hole is predetermine to sill plate 8, the structure glue is filled in the encapsulating hole, insert the encapsulating hole on the sill plate in the interior vertical muscle of lower part festival section, the vertical muscle of middle part festival section lower extreme inserts in the encapsulating hole of lower part festival section, the bottom arch of middle part festival section imbeds in the top recess of lower part festival section, the vertical muscle of upper part festival section lower extreme inserts in the encapsulating hole of middle part festival section, the bottom arch of upper part festival section imbeds in the top recess of middle part festival section, top grout template is located between upper part festival section and the roof-beam board 7, space between sealed upper part festival section of top grout template and the roof-beam board, vertical muscle on the roof-beam board and the interior vertical muscle ligature of upper part festival section, install the PVC one-way check valve on the grout template, the grout material pours into the top grout template through the PVC one-way check valve, accomplish the connection of upper part festival section and roof-beam board. The one-way check valve of PVC in this embodiment is the market purchase, when pouring into the grout material from the feed inlet, pressure can push away the movable valve, and the grout material stops the grout after accomplishing the grout in passing through the rear grout passageway of valve and getting into top grout template from the discharge gate, and the spring can stop up the feed inlet with movable valve top-back, plays the effect that prevents the grout material backward flow.
As shown in fig. 6, the top grouting template is made of a wood cement board, and comprises a coaming and a sealing plate, wherein the coaming and the sealing plate form a closed whole in a nailing manner. The top grouting connecting template is 240mm in length, 200mm in height and 20mm in thickness.
In order to satisfy various layer height requirements, make things convenient for the big prefabrication in batches of mill, the utility model discloses the prefabricated constructional column segment size modulus of four kinds of specifications has preferentially designed, is 450mm, 500mm, 550mm, 600mm respectively, and the top grout linkage segment of height can be adjusted wantonly in collocation, and wherein, top grout linkage segment height is preferred to be 200 ~ 300 mm.
When the size modulus of the segment is 450mm, the use requirement of the net height of a building layer of 2.0-2.1 m can be met (4 multiplied by 450+ 200-300 is 2.0-2.1 m);
when the section size modulus is 500mm, the use requirement of the net height of a building layer is 2.2-2.3 m (4 multiplied by 500 plus 200-300 is 2.2-2.3 m);
when the size modulus of the segment is 550mm, the use requirement of the net height of a building layer of 2.4-2.5 m can be met (4 multiplied by 550+ 200-300 is 2.4-2.5 m);
when the size modulus of the segment is 600mm, the use of the net height of a building layer of 2.6-2.7 m (4 multiplied by 600 plus 200-300 which is 2.6-2.7 m) can be met;
according to the standard requirements, the four segment size modules can meet the net height of building layers of 2.0m, 2.1m, 2.2m, 2.3m, 2.4m, 2.5m, 2.6m and 2.7m, basically meet the requirements of the net height of all building layers, if the net height of the building layers is higher, the required segment size can be customized to a factory, and the segment size is one fourth of the net height of the building layers minus 200-300 mm of top grouting connection segments.
Fig. 7 is a hysteresis curve of a wall body of the cast-in-place constructional column, and fig. 8 is a hysteresis curve of a wall body of the prefabricated constructional column, and the results show that the ultimate bearing capacity of the wall body of the prefabricated constructional column is 70% of that of the wall body of the cast-in-place constructional column, the ductility of the wall body of the prefabricated constructional column is 2.2 times that of the wall body of the cast-in-place constructional column, and the energy consumption capability of the wall body of the prefabricated constructional column is higher.
FIGS. 9 and 10 show load-displacement curves and load-strain curves for different construction columns, two conventional concrete fabricated construction columns (GZZ-ZJJ-PT-1, GZZ-ZJJ-PT-2) using setting grout, a regenerated block concrete fabricated construction column (GZZ-ZJJ-ZS-1) using setting grout, a conventional concrete fabricated construction column (GZZ-GJL-PT-2) using setting grout, a regenerated block concrete fabricated construction column (GZZ-GJL-ZS-1) using setting grout, and a cast-in-place construction column (GZZ-XJ).
The experimental conclusion (1) in the aspects of ultimate bearing capacity and initial rigidity of the prefabricated constructional column, the bearing capacity and the initial rigidity of the spliced constructional column using the regenerated block concrete are similar to those of the spliced constructional column using the commercial concrete, so that the regenerated block concrete can be used as a material of the prefabricated constructional column.
(2) Compared with a cast-in-place constructional column, the limit bearing capacity of the prefabricated constructional column is reduced by about 32%, the initial rigidity is reduced by about 7.7%, but the constructional column in the frame structure is a non-bearing component, so that the requirement on the stress performance is not high, and the prefabricated constructional column completely meets the performance use requirement.
As described above, the present invention can be realized well, and the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; all equivalent changes and modifications made according to the present invention are intended to be covered by the scope of the claims of the present invention.

Claims (8)

1. A novel prefabricated assembly type constructional column made of regenerated block concrete is characterized by comprising a top grouting template, an upper section, a middle section and a lower section;
the upper section, the middle section and the lower section respectively comprise an inner longitudinal bar, an inner stirrup, a lateral wall-entering reinforcing steel bar, a waste concrete block and common concrete, the inner longitudinal bar and the inner stirrup are bound to form a reinforcing cage, the lateral wall-entering reinforcing steel bar penetrates through the reinforcing cage, the waste concrete block is positioned in the reinforcing cage, the common concrete covers the reinforcing cage and the waste concrete block, the inner longitudinal bar of the upper section extends out of the upper end face and the lower end face of the upper section, and the inner longitudinal bars of the middle section and the lower section extend out of the lower end faces of the middle section and the lower section;
the upper end and the lower end of the upper section and the middle section are both provided with a top groove and a bottom bulge, the upper end of the lower section is provided with a top groove, the top surfaces of the middle section and the lower section are both provided with glue filling holes, the bottom beam plate is preset with glue filling holes, structural glue is filled in the glue filling holes, the inner longitudinal rib of the lower section is inserted into the glue filling hole on the bottom beam plate, the longitudinal rib of the lower section is inserted into the glue filling hole of the lower section, the longitudinal rib of the middle section is inserted into the top groove of the lower section, the longitudinal rib of the upper section is inserted into the glue filling hole of the middle section, the bottom bulge of the upper section is inserted into the top groove of the middle section, the top grouting template is positioned between the upper section and the top beam plate, the top grouting template seals the space between the upper section and the top beam plate, the top grouting template comprises a surrounding plate and a sealing plate, and the surrounding plate are connected to form a closed whole, the longitudinal ribs on the top beam plate are bound with the inner longitudinal ribs of the upper section, a PVC one-way check valve is installed on the top grouting template, and grouting materials are injected into the top grouting template through the PVC one-way check valve to complete connection of the upper section and the top beam plate.
2. The novel prefabricated building column made of recycled concrete blocks as claimed in claim 1, wherein the waste concrete blocks are blocks formed by crushing waste concrete with strength grade of C30 or above.
3. The novel prefabricated construction column of recycled block concrete as claimed in claim 1, wherein the common concrete is natural aggregate concrete or recycled aggregate concrete with strength grade of C20-C30.
4. The novel prefabricated construction column of recycled concrete blocks as claimed in claim 1, wherein the size of the waste concrete blocks is 60-90mm, and the substitution rate of the waste concrete blocks for the common concrete is 20-30%.
5. The novel prefabricated assembly type constructional column of recycled block concrete as claimed in claim 1, wherein the top grouting formwork is made of wood wool cement boards.
6. A novel prefabricated building column of recycled block concrete as recited in claim 1, wherein said top groove and bottom protrusion are both rectangular in cross-section.
7. A novel prefabricated building column of regen block concrete according to claim 1, wherein the longitudinal length of said upper, middle and lower sections is 450mm, 500mm, 550mm or 600mm, excluding the length of the inner longitudinal ribs.
8. The novel prefabricated assembly type constructional column of the regenerated block concrete as claimed in claim 1, wherein the diameter of the inner longitudinal rib is d, and the depth of the glue filling hole is 20 d.
CN202121270450.4U 2021-06-08 2021-06-08 Novel prefabricated assembled constructional column of regeneration block body concrete Active CN217268353U (en)

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Application Number Priority Date Filing Date Title
CN202121270450.4U CN217268353U (en) 2021-06-08 2021-06-08 Novel prefabricated assembled constructional column of regeneration block body concrete

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121270450.4U CN217268353U (en) 2021-06-08 2021-06-08 Novel prefabricated assembled constructional column of regeneration block body concrete

Publications (1)

Publication Number Publication Date
CN217268353U true CN217268353U (en) 2022-08-23

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ID=82852086

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Application Number Title Priority Date Filing Date
CN202121270450.4U Active CN217268353U (en) 2021-06-08 2021-06-08 Novel prefabricated assembled constructional column of regeneration block body concrete

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