CN209323688U - Prefabricated assembling type reinforced concrete column splices node structure - Google Patents

Prefabricated assembling type reinforced concrete column splices node structure Download PDF

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CN209323688U
CN209323688U CN201821895491.0U CN201821895491U CN209323688U CN 209323688 U CN209323688 U CN 209323688U CN 201821895491 U CN201821895491 U CN 201821895491U CN 209323688 U CN209323688 U CN 209323688U
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column
vertical muscle
cross
reinforced
section
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胡红松
方膨膨
郭子雄
王晨
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Huaqiao University
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Huaqiao University
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Abstract

The utility model discloses a kind of prefabricated assembling type reinforced concrete columns to splice node structure, reinforced column including reinforced column on one and once, region between the lower end of upper reinforced column and the upper end of lower reinforced column is join domain, above-mentioned join domain has poured ultra-high performance concrete, and upper reinforced column and lower reinforced column are connected.Ultra-high performance concrete is applied between prefabricated assembling type reinforced concrete column by the utility model, takes full advantage of the resistance to compression and tensile property of ultra-high performance concrete brilliance, to solve the problems, such as that node region connection is weak.

Description

Prefabricated assembling type reinforced concrete column splices node structure
Technical field
The utility model splices node structure more particularly to a kind of prefabricated assembling type reinforced concrete column.
Background technique
Precast reinforced concrete structure is one of the important directions of China's building structure development, prefabricated assembling type reinforced mixed Solidifying earth pillar has many advantages, such as that product quality is controllable, environmentally protective and easy for construction.Column column connection type is fabricated construction system In important connection type, it directly affects the speed of application and assembling degree of structure, therefore column column splicing node Construction method should be simple as far as possible, and its intensity is not lower than the intensity of prefabricated reinforced concrete column.Current assembled steel reinforced coagulation It mainly connects to form splicing node by grout sleeve between earth pillar.But be in the milk and connect for sleeve, reinforcing bar is in the milk by root to be connected Heavy workload is connect, and there is presently no a kind of effective detection methods to detect to the quality of grout sleeve, the safety of structure Risk hidden danger can not effectively eliminate.
Utility model content
The purpose of the utility model is to overcome prior art defects, provide a kind of prefabricated assembling type reinforced concrete column spelling Connect node structure.
The technical solution of the utility model is as follows:
Prefabricated assembling type reinforced concrete column splices node structure, comprising:
Reinforced column on one, cross section are square, and downward one cross section of projection in the middle part of bottom surface is positive Rectangular tenon, and its lower end has several overhanging vertical muscle set on the tenon periphery;
Reinforced column once, cross section are square, thereon the one of the above-mentioned tenon of the recessed correspondence in the middle part of top surface The groove that cross section is square, and the upper end has set on a pair of with above-mentioned several overhanging vertical muscle one of the periphery of the groove Answer and size it is identical it is several under overhanging vertical muscle;
Region between the lower end of upper reinforced column and the upper end of lower reinforced column is join domain, above-mentioned convex The lower end of tenon is inserted in above-mentioned groove, and the side length of the cross section of above-mentioned tenon is the cross section of above-mentioned upper reinforced column The 20~30% of side length, several overhanging vertical muscle with it is several under overhanging vertical muscle mutually overlap and tied up by iron wire and be connected, it is above-mentioned Join domain has poured ultra-high performance concrete, and upper reinforced column and lower reinforced column are connected, upper steel The peripheral wall of reinforced concrete column equidistantly offers at least four pulp channels for being connected to the join domain, to guarantee that very-high performance is mixed Solidifying soil pours closely knit.
In a preferred embodiment of the utility model, the cross of tenon described in the side ratio of the cross section of the groove Big 1.8~the 2.5mm of the side length in section.
In a preferred embodiment of the utility model, the side length of the cross section of the tenon is mixed for the upper reinforcing bar The 25% of the side length of the cross section of solidifying earth pillar.
In a preferred embodiment of the utility model, the peripheral wall of the upper reinforced column is equidistantly offered Four pulp channels of the join domain are connected to, to guarantee that it is closely knit that ultra-high performance concrete pours.
In a preferred embodiment of the utility model, the diameter in the pulp channel is less than overhanging vertical on adjacent two The clear distance of muscle.
In a preferred embodiment of the utility model, the overlapping regions of the upper overhanging vertical muscle overhanging vertical muscle under Length be the upper overhanging vertical muscle and be described under 10~15 times of diameter of overhanging vertical muscle.
The beneficial effects of the utility model are:
1, ultra-high performance concrete is applied between prefabricated assembling type reinforced concrete column by the utility model, makes full use of The resistance to compression and tensile property of ultra-high performance concrete brilliance, to solve the problems, such as that node region connection is weak.
2, ultra-high performance concrete assembly node material utilization amount is small in the utility model, simple structure, only with longitudinal steel Muscle no longer needs to arrangement stirrup.
3, the construction method of the utility model technically has good feasibility, and construction method is simpler, guarantees Site operation quality, improves site operation efficiency and safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the utility model does not pour ultra-high performance concrete.
Fig. 2 is that the utility model pours the structural perspective after ultra-high performance concrete.
Fig. 3 is the structural schematic diagram in the utility model work progress.
Fig. 4 is that the grouting of the utility model is connected and fixed the structural schematic diagram of mechanism.
Fig. 5 is the structural schematic diagram of the grouting mechanism of the utility model.
Specific embodiment
The technical solution of the utility model is further explained and described below by way of specific embodiment.
As shown in Figure 1, a kind of prefabricated assembling type reinforced concrete column splices node structure, it is rectangular including cross section Reinforced column 1 and once reinforced column 2 on one, the lower end of upper reinforced column 1 and lower reinforced column 2 Upper end between region be join domain 3.
Upper reinforced column 1, cross section is square, and downward one cross section of projection in the middle part of bottom surface is pros The tenon 10 of shape, and its lower end has several overhanging vertical muscle 11 set on 10 periphery of tenon.
Lower reinforced column 2, cross section is square, thereon the one of the above-mentioned tenon 10 of the recessed correspondence in the middle part of top surface The groove 20 that cross section is square, and the upper end have set on the groove 20 periphery with above-mentioned several overhanging vertical muscle 11 correspond and size it is identical it is several under overhanging vertical muscle 21;
As shown in Figure 1 to Figure 2, the region between the lower end of upper reinforced column 1 and the upper end of lower reinforced column 2 For join domain 3, the lower end of above-mentioned tenon 10 is inserted in above-mentioned groove 20, and the side length of the cross section of above-mentioned tenon 10 is above-mentioned The 25% of the side length of the cross section of upper reinforced column 1, the cross of the above-mentioned tenon 10 of the side ratio of the cross section of above-mentioned groove 20 The lower end of above-mentioned tenon 10 is inserted in above-mentioned groove 20 to guarantee to be accurately positioned by the big 1.8~2.5mm of the side length in section.If Dry overhanging vertical muscle 11 with it is several under overhanging vertical muscle 21 mutually overlap and tied up by iron wire and be connected, upper overhanging vertical muscle 11 and it is lower outside Stretch the overlapping regions of vertical muscle 21 length be the upper overhanging vertical muscle 11 and be described under 10 times of diameter of overhanging vertical muscle 21, on It states join domain 3 and has poured ultra-high performance concrete 6, upper reinforced column 1 and lower reinforced column 2 are linked to be one Body, compression strength are more than 150MPa, and tensile strength is more than 15MPa, can significantly improve the bearing capacity and shock resistance of join domain 3 Energy;The peripheral wall of upper reinforced column 1 equidistantly offers the four pulp channels 12 for being connected to the join domain 3, super to guarantee High performance concrete 6 pours closely knit, and the diameter in pulp channel 12 is less than the clear distance of overhanging vertical muscle 11 on adjacent two, to avoid influence The arrangement of longitudinal reinforcement.
As shown in figure 3, the construction method of above-mentioned prefabricated assembling type reinforced concrete column splicing node structure, including walk as follows It is rapid:
(1) be prefabricated in the factory upper reinforced column 1 and lower reinforced column 2, reserves the good pulp channel 12, in advance If the tenon 10 and groove 20, and ensure overhanging vertical muscle 11 and under overhanging vertical muscle 21 extension to meet the lap of splice It is required that;
(2) lower end of the tenon 10 is inserted in the groove 20 to upper reinforced column 1 and lower reinforced concrete Earth pillar 2 is positioned, and by corresponding overhanging vertical muscle 11, the overhanging vertical muscle 21 under carries out binding and connects using iron wire;
(3) several through-holes are opened in advance by the top of four steel forms 7 and lower part are each, by high-strength screw by several steel forms 7 Four outside wall surfaces of reinforced column 1 and lower reinforced column 2 are fixed on, wherein the middle part of die plate 7 is equipped with one and fills Mouth 70 is starched, which is equipped with a grouting and is connected and fixed mechanism 71;
As shown in Figure 4 and Figure 5, grouting is connected and fixed mechanism 71 and includes the upper hopper chute 711 for being set to 70 top of grouting mouth, sets Gliding groove 712 and the hush panel 713 that is slidably arranged in the upper hopper chute 711 and gliding groove 712 in the one of grouting mouth 70 lower section, The grouting is connected and fixed mechanism 71 with a first state and one second state, and when in the first state, hush panel 713 is closed Be in the milk mouth 70, and when in the second state, hush panel 713 makes the opening of mouth 70 of being in the milk far from grouting mouth 70;Mechanism 8 of being in the milk includes one One end of grout pipe 80, the grout pipe 80 is funnel-shaped, and the edge of the other end extends outward to form end plate 81, and the end plate 81 is sliding It is dynamic to adapt in the upper hopper chute 711 and gliding groove 712;
The internal diameter of grout pipe 80 is identical as the grouting diameter of mouth 70
(4) end plate 81 for mechanism 8 of being in the milk is inserted into upper hopper chute 711 and gliding groove 712, along upper hopper chute 711 and gliding groove 712 push hush panel 713 open, and the mechanism 8 that makes to be in the milk is connected and fixed mechanism 71 with grouting and is connected, by mechanism 8 of being in the milk to the connection Ultra-high performance concrete 6 is poured in region 3, when above-mentioned 12 uniform grout of pulp channel, stops pouring, and with sealing with wax out Channel 12 is starched, pushes hush panel 713 to eject the end plate 81 of grouting mechanism 8, makes 713 return of hush panel with plugging grouting mouth 70;
(5) after pouring at least for 24 hours, steel form 7 is removed, fills in screw hole cement slurry and with sealing with wax.
The above, the only preferred embodiment of the utility model, therefore, it cannot be limited according to, and the utility model is implemented Range, i.e., equivalent changes and modifications made according to the scope of the patent of the utility model and the content of the manual should still belong to practical It is novel cover in the range of.

Claims (6)

1. prefabricated assembling type reinforced concrete column splices node structure, it is characterised in that: include:
Reinforced column on one, cross section are square, and downward one cross section of projection in the middle part of bottom surface is square Tenon, and its lower end have set on the tenon periphery several overhanging vertical muscle;
Reinforced column once, cross section are square, and the one of the above-mentioned tenon of the recessed correspondence in the middle part of top surface is transversal thereon The groove that face is square, and the upper end have set on the periphery of the groove corresponded with above-mentioned several overhanging vertical muscle and Size it is identical it is several under overhanging vertical muscle;
Region between the lower end of upper reinforced column and the upper end of lower reinforced column is join domain, above-mentioned tenon Lower end is inserted in above-mentioned groove, and the side length of the cross section of above-mentioned tenon is the side length of the cross section of above-mentioned upper reinforced column 20~30%, several overhanging vertical muscle with it is several under overhanging vertical muscle mutually overlap and tied up by iron wire and be connected, above-mentioned connection Region has poured ultra-high performance concrete, and upper reinforced column and lower reinforced column are connected, and upper reinforcing bar is mixed The peripheral wall of solidifying earth pillar equidistantly offers at least four pulp channels for being connected to the join domain, to guarantee ultra-high performance concrete It pours closely knit.
2. prefabricated assembling type reinforced concrete column as described in claim 1 splices node structure, it is characterised in that: the groove Cross section side ratio described in tenon cross section the big 1.8~2.5mm of side length.
3. prefabricated assembling type reinforced concrete column as described in claim 1 splices node structure, it is characterised in that: the tenon Cross section side length be the upper reinforced column cross section side length 25%.
4. prefabricated assembling type reinforced concrete column as described in claim 1 splices node structure, it is characterised in that: the upper steel The peripheral wall of reinforced concrete column equidistantly offers the four pulp channels for being connected to the join domain, to guarantee ultra-high performance concrete It pours closely knit.
5. prefabricated assembling type reinforced concrete column as described in claim 1 splices node structure, it is characterised in that: the pulp The diameter in channel is less than the clear distance of overhanging vertical muscle on adjacent two.
6. prefabricated assembling type reinforced concrete column as described in claim 1 splices node structure, it is characterised in that: described outer Stretch vertical muscle and under overhanging vertical muscle overlapping regions length be the upper overhanging vertical muscle and it is described under overhanging vertical muscle diameter 10 ~15 times.
CN201821895491.0U 2018-11-16 2018-11-16 Prefabricated assembling type reinforced concrete column splices node structure Active CN209323688U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113216510A (en) * 2021-03-04 2021-08-06 北京工业大学 Grouting sleeve connection assembly type concrete member with ECC pipe
CN113982305A (en) * 2021-10-27 2022-01-28 上海建工二建集团有限公司 Force transmission node of reconstruction and reconstruction structure and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113216510A (en) * 2021-03-04 2021-08-06 北京工业大学 Grouting sleeve connection assembly type concrete member with ECC pipe
CN113982305A (en) * 2021-10-27 2022-01-28 上海建工二建集团有限公司 Force transmission node of reconstruction and reconstruction structure and construction method thereof

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