CN218406079U - Protective layer thickness control structure of concrete frame column - Google Patents

Abstract

The utility model discloses a protective layer thickness control structure of a concrete frame column, which comprises a first parallel rib (2), a second parallel rib (3), a first steel component (41) and a second steel component (42); the plurality of first parallel bars and the plurality of second parallel bars are vertically arranged on the inner side of the framework column template (14), the first parallel bars are vertically lapped on the inner sides of the plurality of horizontal stirrups (13), and the second parallel bars are vertically lapped on the vertical stirrups (16) and the horizontal stirrups; one end of the first steel member is lapped with the first parallel reinforcement and the horizontal stirrup, and one end of the second steel member is lapped with the second parallel reinforcement, the horizontal stirrup and the vertical stirrup; the other ends of the first steel member and the second steel member tightly prop against the inner wall of the framework column formwork, a plurality of first steel members and second steel members form a group of protective layer control members along the circumferential direction of the framework column, and the plurality of groups of protective layer control members are arranged at intervals along the height direction of the framework column. The utility model discloses can guarantee controllability, accuracy nature and the uniformity of the concrete protective layer thickness of frame post.

Description

Protective layer thickness control structure of concrete frame column

Technical Field

The utility model relates to a building element especially relates to a protective layer thickness control structure of concrete frame post.

Background

In reinforced concrete members such as beams, columns, walls and the like, a reinforced structure formed by main reinforcements, longitudinal reinforcements, stirrups and the like needs to be bound, and a concrete protective layer with a certain thickness is formed between the reinforced structure and a template through a cushion block. When carrying out the concrete placement of reinforced concrete member, it is closely knit to vibrate through the vibrating rod while watering, because the vibration of vibrating rod leads to the cushion off normal, and the reinforcing bar takes place relative displacement to the central line direction of concrete member easily, leads to the thickness of concrete protection layer inconsistent, influences the watering quality of concrete member.

The cushion block in the prior art comprises a prefabricated cement cushion block, a wooden cushion block and a plastic cushion block, and has the following defects:

1. the precast cement cushion block is generally made of concrete with lower compressive strength grade, and the steel template and the main reinforcement of the steel plate member have higher hardness, so that the precast cement cushion block is easy to damage in the setting and manufacturing process, and the thickness of a concrete protection layer cannot be ensured.

2. The hardness of the wooden cushion block and the plastic cushion block is low, permanent deformation easily occurs under the pressure of a steel template with high hardness and a main reinforcement, and the supporting effect fails, so that the thickness of the concrete protective layer is small.

3. Prefabricated cement cushion, wooden cushion and plastics cushion are connected with the reinforcement, take place the upset easily, lead to the thickness of concrete cover to a little less.

If the thickness of the protective layer of the concrete frame column is inconsistent with the design thickness, the protective layer needs to be adjusted in the concrete pouring process of the frame column or after concrete is solidified, so that the waste of raw materials and the increase of working procedures are caused, even the risk of reworking exists, more manpower and material resources need to be input, the cost is increased, and the construction progress is also influenced. Therefore, it is desirable to provide a control structure capable of ensuring the thickness of the concrete cover.

Disclosure of Invention

An object of the utility model is to provide a protective layer thickness control structure of concrete frame post can guarantee controllability, accuracy nature and the uniformity of the concrete protective layer thickness of frame post.

The utility model discloses a realize like this:

a protective layer thickness control structure of a concrete frame column is used in the concrete frame column and comprises I-shaped steel, main reinforcements, horizontal stirrups, a frame column template and vertical stirrups; the plurality of main reinforcements are longitudinally arranged on the inner side of the framework column template, and the horizontal stirrups are bound on the plurality of main reinforcements in the circumferential direction; the vertical stirrups are bound on the plurality of main reinforcements in the circumferential direction, and the I-shaped steel is longitudinally arranged in the center of the interior of the framework column template and is fixedly connected with the vertical stirrups;

the protective layer thickness control structure comprises a first parallel rib, a second parallel rib, a first steel member and a second steel member; the plurality of first parallel bars and the plurality of second parallel bars are respectively arranged on the inner sides of the framework column templates at intervals in the vertical direction, the first parallel bars are vertically lapped on the inner sides of the plurality of horizontal stirrups, and the second parallel bars are vertically lapped on the connecting nodes of the vertical stirrups and the horizontal stirrups; one end of the first steel member is lapped at a connecting node of the first parallel reinforcement and the horizontal stirrup, and one end of the second steel member is lapped at a connecting node of the second parallel reinforcement, the horizontal stirrup and the vertical stirrup; the other end of first steel member and the other end of second steel member all push up tightly on the inner wall of frame post template, and a plurality of first steel member and a plurality of second steel member form a set of protective layer control member along the circumference of frame post, and the direction of height interval arrangement of frame post is followed to a plurality of protective layer control members of group.

The one end of first steel member and the one end opening of second steel member be the U-shaped structure, make the one end of first steel member match the centre gripping through the opening on first muscle in the lump, the second steel member can match the centre gripping through the opening on second and muscle.

The other end of first steel member and the other end of second steel member be straight structure, make the one end of first steel member and the other end of second steel member can laminate on the inner wall of frame post template.

The plane that first steel member place be perpendicular with frame post template, the plane that the second steel member place is perpendicular with frame post template.

First piece of reinforcement and second piece of reinforcement be located the corner both sides of frame post respectively, make first steel member and second steel member be located the corner both sides of frame post respectively.

Protective layer thickness control structure still include supplementary muscle and the supplementary stirrup of indulging, supplementary vertical setting of muscle is on the I-steel of indulging, the one end and the supplementary muscle drawknot of indulging of supplementary stirrup are fixed, the other end and the main muscle drawknot of supplementary stirrup are fixed.

The auxiliary longitudinal ribs are respectively arranged on two sides of a web plate of the I-shaped steel and at corners of the two wing plates, so that the auxiliary stirrups are vertically and symmetrically arranged on two sides of the web plate of the I-shaped steel and are located in a plane where the protective layer control member is located.

The auxiliary stirrup is perpendicular to the web plate of the I-shaped steel, and the auxiliary stirrup and the horizontal stirrup are located in the same horizontal plane.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses owing to be equipped with first round muscle, second and muscle, first steel member and second steel member, fix first steel member between horizontal stirrup and frame post template through first round muscle, fix the second steel member at horizontal stirrup through second and muscle, between vertical stirrup and the frame post template, it is convenient and stable high to install, utilize first steel member and second steel member effective control horizontal stirrup, the interval of vertical stirrup and frame post template, thereby guarantee the accuracy of the concrete protective layer thickness of frame post, controllability and uniformity.

2. The utility model discloses owing to be equipped with supplementary muscle and the supplementary stirrup of indulging, can form the drawknot between I-steel and horizontal stirrup and fix, prevent the I-steel off normal and influence the ligature stability of horizontal stirrup and vertical stirrup and lay the position accuracy nature to the accuracy nature and the controllability of the concrete protective layer thickness of frame post have further been guaranteed.

3. The utility model discloses simple structure, easily draw materials and construction, the rigidity of steel member is big, can effective control concrete protective layer thickness, avoids later stage restoration or rework, reduces construction cost and human cost, is favorable to improving the efficiency of construction, can use widely in various types of frame post.

Drawings

Fig. 1 is a construction plan view of a protective layer thickness control structure of a concrete frame column according to the present invention;

fig. 2 is the structural schematic diagram of the first steel member in the protective layer thickness control structure of the concrete frame column of the present invention.

In the figure, 11I-steel, 12 main reinforcement, 13 horizontal stirrups, 14 framework column templates, 15 tie bars, 16 vertical stirrups, 2 first parallel reinforcement, 3 second parallel reinforcement, 41 first steel members, 42 second steel members, 5 auxiliary longitudinal reinforcements and 6 auxiliary stirrups.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

Referring to fig. 1, the protective layer thickness control structure of a concrete frame column is used in the concrete frame column, and the concrete frame column includes an i-beam 11, a main reinforcement 12, a horizontal stirrup 13, a frame column template 14, a tie bar 15 and a vertical stirrup 16; the plurality of main reinforcements 12 are longitudinally arranged on the inner side of the frame column template 14, the horizontal stirrups 13 are circumferentially bound on the plurality of main reinforcements 12, and the plurality of horizontal stirrups 13 are vertically arranged at intervals; the vertical stirrups 16 are circumferentially bound on the plurality of main reinforcements 12, and the plurality of vertical stirrups 16 are transversely arranged at intervals; the edge of the horizontal stirrup 13 is tied with a tie bar 15, and the I-steel 11 is longitudinally arranged in the center of the frame column template 14 and is fixedly connected with the vertical stirrup 16.

The I-shaped steel 11, the main reinforcement 12, the horizontal stirrups 13, the frame column formwork 14, the tie bars 15 and the vertical stirrups 16 are constructed by adopting the existing construction process according to the design requirements of the building structure, and are not described again here.

The protective layer thickness control structure comprises a first parallel rib 2, a second parallel rib 3, a first steel member 41 and a second steel member 42; the plurality of first parallel bars 2 and the plurality of second parallel bars 3 are respectively arranged on the inner side of the frame column template 14 at vertical intervals, the first parallel bars 2 are vertically lapped on the inner sides of the plurality of horizontal stirrups 13, and the second parallel bars 3 are vertically lapped on the connecting nodes of the vertical stirrups 16 and the horizontal stirrups 13; one end of a first steel member 41 is lapped at a joint of the first parallel reinforcement 2 and the horizontal stirrup 13, and one end of a second steel member 42 is lapped at a joint of the second parallel reinforcement 3, the horizontal stirrup 13 and the vertical stirrup 16; the other end of the first steel member 41 and the other end of the second steel member 42 are both tightly pressed against the inner wall of the frame column formwork 14, a plurality of first steel members 41 and a plurality of second steel members 42 form a group of protective layer control members along the circumferential direction of the frame column, and the plurality of groups of protective layer control members are arranged at intervals along the height direction of the frame column.

The first steel member 41 is lapped on the horizontal stirrup 13 through the first auxiliary reinforcement 2, the end part of the first steel member 41 is tightly propped against the inner wall of the frame column formwork 14, and the distance between the horizontal stirrup 13 and the inner wall of the frame column formwork 14 is controlled through the first steel member 41, so that the purpose of controlling the thickness of the concrete protective layer is achieved. Set up second steel member 42 at the connected node of horizontal stirrup 13 and vertical stirrup 16 through second and muscle 3, the tip top of second steel member 42 is tight on the inner wall of frame post template 14, controls the distance between the inner wall of horizontal stirrup 13 and vertical stirrup 16 and frame post template 14 through second steel member 42 to reach the mesh of control concrete cover thickness.

Preferably, can adopt conventional modes such as ligature, welding to fix between horizontal stirrup 13, first steel member 41, the first parallel muscle 2, and conventional modes such as ligature, welding can be adopted between horizontal stirrup 13, vertical stirrup 16, second steel member 42 and the second parallel muscle 3 to fix.

Referring to fig. 2, one end of the first steel member 41 and one end of the second steel member 42 are open and have a U-shaped structure, so that one end of the first steel member 41 can be fittingly clamped on the first reinforcing bar 2 through the opening, and the second steel member 42 can be fittingly clamped on the second reinforcing bar 3 through the opening.

The opening width of first steel member 41 and second steel member 42 can be confirmed according to the diameter of first muscle 2, second muscle 3 in the lump, ensure that suit and welded fastening of first steel member 41 on first muscle 2 in the lump and suit and welded fastening of second steel member 42 on second muscle 3 can.

Preferably, first muscle 2 and the second muscle 3 that merge can all adopt and make with the same reinforcing bar of main 12 specifications of muscle, first steel member 41 and second steel member 42 can adopt high strength steel to make, guarantee can not atress warp when the concrete is poured, the specification of first steel member 41 and second steel member 42 can be confirmed according to the construction requirements of actual frame post, the sectional area of frame post is big more, the hardness requirement of first steel member 41 and second steel member 42 is higher, also can be according to the quantity that actual construction demand increased first steel member 41 and second steel member 42.

Referring to fig. 2, the other end of the first steel member 41 and the other end of the second steel member 42 are formed in a straight structure so that one end of the first steel member 41 and the other end of the second steel member 42 can be attached to the inner wall of the frame pillar formwork 14.

The butt area between first steel member 41 and second steel member 42 and the frame post template 14 inner wall can be increased through the setting of straight structure, effectively prevents that horizontal stirrup 13 and vertical stirrup 16 from taking place the off normal to improve the control stability of first steel member 41 and second steel member 42 to concrete protection layer thickness.

Referring to fig. 1, the first steel member 41 is perpendicular to the frame pillar form 14, and the second steel member 42 is perpendicular to the frame pillar form 14, so that the force transmission is facilitated, thereby effectively limiting the displacement of the horizontal stirrup 13 and the vertical stirrup 16.

Referring to fig. 1, the first and second parallel bars 2 and 3 are respectively located at both sides of a corner of a frame post such that the first and second steel members 41 and 42 are respectively located at both sides of the corner of the frame post.

For the frame column of the symmetrical structure, the first parallel rib 2, the second parallel rib 3, the first steel member 41 and the second steel member 42 at each corner can be axially symmetrical with respect to the frame column, so that the displacement of the horizontal stirrups 13 and the vertical stirrups 16 is limited from two directions, and the accuracy of the thickness of the concrete protective layer of the frame column is further ensured.

Referring to fig. 1, the protective layer thickness control structure further includes an auxiliary longitudinal bar 5 and an auxiliary stirrup 6, the auxiliary longitudinal bar 5 is vertically disposed on the i-beam 11, one end of the auxiliary stirrup 6 is fixed to the auxiliary longitudinal bar 5, and the other end of the auxiliary stirrup 6 is fixed to the main bar 12.

Through the setting of supplementary muscle 5 and the supplementary stirrup 6 of indulging, can restrict I-steel 11 and take place the off normal, guarantee frame post inside steel bar structure's wholeness and position accuracy nature, be favorable to controlling the thickness of concrete cover.

Preferably, the auxiliary longitudinal bars 5 can be made of steel bars with the same specification as the main bars 12 and welded on the I-shaped steel 11, and the length of the auxiliary longitudinal bars 5 is consistent with the height of the I-shaped steel 11, so that the auxiliary stirrups 6 can be conveniently tied and fixed. The arrangement distance of the auxiliary stirrup 6 can be consistent with that of the horizontal stirrup 13, and the auxiliary stirrup 6 and the auxiliary longitudinal bar 5 and the main bar 12 can be fixedly connected by adopting conventional modes such as binding or welding.

Referring to fig. 1, a plurality of auxiliary longitudinal bars 5 are respectively disposed at two sides of the web plate of the i-beam 11 and the corners of the two wing plates, so that a plurality of auxiliary stirrups 6 are vertically and symmetrically disposed at two sides of the web plate of the i-beam 11, and the auxiliary stirrups 6 are located in the plane of the protective layer control member.

The auxiliary longitudinal bars 5 and the auxiliary stirrups 6 are matched with the protective layer control component, so that the internal structure of the frame column at the height is in a stable state, the thickness accuracy of the concrete protective layer is controlled, and the thickness consistency of the concrete protective layer at any height of the frame column is guaranteed.

Referring to fig. 2, the auxiliary stirrup 6 is perpendicular to the web of the i-beam 11, and the auxiliary stirrup 6 and the horizontal stirrup 13 are located in the same horizontal plane, so that the force is stable and the force transmission is reliable.

Referring to fig. 1 and fig. 2, the installation method of the present invention is:

the main reinforcement 12, the horizontal stirrups 13, the tie bars 15 and the vertical stirrups 16 are bound to form a steel bar structure of the frame column, the I-shaped steel 11 is arranged at the center of the steel bar structure and fixedly connected with the vertical stirrups 16, and a frame column template 14 is erected outside the steel bar structure. The frame column formwork 14 and the steel bar structure are constructed according to the frame column construction specifications and methods in the prior art, and are not described herein again.

Four through-length auxiliary longitudinal bars 5 are welded and fixed at the corners of the web member of the I-shaped steel 11 and the two wing plates in advance, in the binding process of a steel bar structure of a steel bar framework column, the auxiliary stirrups 6 are tied between the auxiliary longitudinal bars 5 and the main bars 12, and the arrangement height and the arrangement interval of the auxiliary stirrups 6 can be the same as those of the horizontal stirrups 13.

Meanwhile, four first parallel ribs 2 are vertically distributed on the inner side of the horizontal stirrup 13, and the first parallel ribs 2 are positioned on the sides of the main ribs 12 at the frame column corners; suit first steel member 4 on first few muscle 2, with horizontal stirrup 13, first few muscle 2 and first steel member 41 ligature fixed, the high department of every horizontal stirrup 13 all can set up first steel member 41, also every interval twice or three horizontal stirrups 13 set up a first steel member 41, the straight end laminating top of the first steel member 41 other end tightly on the inner wall of frame post template 14.

Four second parallel ribs 3 are vertically arranged at the connecting nodes of the horizontal stirrups 13 and the vertical stirrups 16 on the inner sides of the horizontal stirrups 13, the second parallel ribs 3 are arranged at the vertical stirrups 16 on the side of the frame column corner, and the first parallel ribs 2 and the second parallel ribs 3 are arranged on two sides of the frame column corner. The second steel member 42 is sleeved on the second combined reinforcement 3, the horizontal stirrups 13, the vertical stirrups 16, the second combined reinforcement 3 and the second steel member 42 are fixedly bound, and the straight end of the other end of the second steel member 42 is tightly attached to and abutted against the inner wall of the frame column template 14.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, therefore, any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims (8)

1. A protective layer thickness control structure of a concrete frame column is used in the concrete frame column and comprises I-shaped steel (11), main reinforcements (12), horizontal stirrups (13), frame column templates (14) and vertical stirrups (16); the plurality of main reinforcements (12) are longitudinally arranged on the inner side of the frame column template (14), and the horizontal stirrups (13) are circumferentially bound on the plurality of main reinforcements (12); the vertical stirrups (16) are bound on the plurality of main reinforcements (12) in the circumferential direction, and the I-shaped steel (11) is longitudinally arranged in the center of the interior of the frame column template (14) and is fixedly connected with the vertical stirrups (16);

the method is characterized in that: the protective layer thickness control structure comprises a first parallel rib (2), a second parallel rib (3), a first steel member (41) and a second steel member (42); the plurality of first parallel ribs (2) and the plurality of second parallel ribs (3) are respectively arranged on the inner side of the frame column template (14) at vertical intervals, the first parallel ribs (2) are vertically lapped on the inner sides of the plurality of horizontal stirrups (13), and the second parallel ribs (3) are vertically lapped on the connecting nodes of the vertical stirrups (16) and the horizontal stirrups (13); one end of a first steel member (41) is lapped at a joint of the first parallel reinforcement (2) and the horizontal stirrup (13), and one end of a second steel member (42) is lapped at a joint of the second parallel reinforcement (3), the horizontal stirrup (13) and the vertical stirrup (16); the other end of first steel member (41) and the other end of second steel member (42) all push up tightly on the inner wall of frame post template (14), and the circumference of frame post is followed to a plurality of first steel member (41) and a plurality of second steel member (42) forms a set of protective layer control member, and the direction of height interval arrangement of frame post is followed to a plurality of protective layer control member.

2. A concrete frame column protective layer thickness control structure according to claim 1, wherein: the one end of first steel member (41) and the one end opening of second steel member (42) be the U-shaped structure, make the one end of first steel member (41) can match the centre gripping through the opening on first muscle (2) in the lump, second steel member (42) can match the centre gripping through the opening on second muscle (3).

3. A concrete frame column protective layer thickness control structure according to claim 1 or 2, wherein: the other end of first steel member (41) and the other end of second steel member (42) be straight structure, make the one end of first steel member (41) and the other end of second steel member (42) can laminate on the inner wall of frame post template (14).

4. A concrete frame column protective layer thickness control structure according to claim 3, wherein: the plane of the first steel member (41) is vertical to the frame column formwork (14), and the plane of the second steel member (42) is vertical to the frame column formwork (14).

5. A concrete frame column protective layer thickness control structure according to claim 2, wherein: the first parallel rib (2) and the second parallel rib (3) are respectively located on two sides of the corner of the frame column, so that the first steel member (41) and the second steel member (42) are respectively located on two sides of the corner of the frame column.

6. A concrete frame column protective layer thickness control structure according to claim 1, wherein: protective layer thickness control structure still include supplementary muscle (5) and supplementary stirrup (6) of indulging, supplementary vertical setting of muscle (5) is on I-steel (11) indulged, the one end and the supplementary muscle (5) drawknot of indulging of supplementary stirrup (6) are fixed, the other end and main muscle (12) drawknot of supplementary stirrup (6) are fixed.

7. A concrete frame column protective layer thickness control structure according to claim 6, wherein: the auxiliary longitudinal ribs (5) are respectively arranged at the two sides of the web plate of the I-shaped steel (11) and the corners of the two wing plates, so that the auxiliary stirrups (6) are vertically and symmetrically arranged on the two sides of the web plate of the I-shaped steel (11), and the auxiliary stirrups (6) are positioned in the plane where the protective layer control member is positioned.

8. A concrete frame column protective layer thickness control structure according to claim 7, wherein: the auxiliary stirrup (6) is perpendicular to a web plate of the I-shaped steel (11), and the auxiliary stirrup (6) and the horizontal stirrup (13) are located in the same horizontal plane.

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