CN110409669B - Constructional column-free rammed earth wall reinforced by vertical steel bars and construction method thereof - Google Patents
Constructional column-free rammed earth wall reinforced by vertical steel bars and construction method thereof Download PDFInfo
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- CN110409669B CN110409669B CN201910670555.XA CN201910670555A CN110409669B CN 110409669 B CN110409669 B CN 110409669B CN 201910670555 A CN201910670555 A CN 201910670555A CN 110409669 B CN110409669 B CN 110409669B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/84—Walls made by casting, pouring, or tamping in situ
Abstract
The invention relates to the technical field of buildings, in particular to a constructional column-free rammed earth wall reinforced by vertical steel bars and a construction method thereof. This rammed earth wall body includes wall base, wall body and the coping that sets gradually from supreme down, wear to be equipped with a plurality of vertical reinforcing bars in the wall body, it is a plurality of vertical reinforcing bar is followed the horizontal extending direction of wall body sets up at the interval in proper order, each the upper end of vertical reinforcing bar passes respectively the last top surface of wall body stretches into to inside the coping, each the lower extreme of vertical reinforcing bar passes respectively the lower bottom surface of wall body stretches into to inside the wall base. The constructional column-free rammed earth wall reinforced by the vertical steel bars and the construction method thereof can effectively control the external flash of the rammed earth wall, improve the whole bearing capacity and the anti-seismic performance of the wall, reduce the construction cost and improve the construction efficiency.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a constructional column-free rammed earth wall reinforced by vertical steel bars and a construction method thereof.
Background
The rammed earth building has the advantages of available local materials, simple construction, low cost, outstanding thermal performance, degradability, regeneration, low energy consumption, no pollution in the processing process and the like, and particularly, the rammed earth building has the ecological cost ratio advantage which cannot be compared with the conventional energy-saving materials, so the rammed earth building is still widely applied to the field of buildings. However, the traditional rammed earth wall has defects in the aspects of process, construction technology, seismic performance, durability and the like, so that the urgent requirements for improving the living quality and the house safety are difficult to meet, and the traditional rammed earth wall is also a core factor for restricting the modern rammed earth application.
At present, in modern rammed earth buildings, the main method for improving the bearing capacity and the seismic performance of rammed earth structure houses is to arrange constructional columns at the four corners of the houses and the joints of longitudinal and transverse walls, and improve or modify the materials of rammed earth, so as to improve the integrity of roof structures and the connection strength with rammed earth walls. However, the existing rammed earth building construction method needs to arrange a constructional column on the rammed earth wall, so that the construction cost is increased, and the construction efficiency is also influenced.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a constructional column-free rammed earth wall reinforced by vertical steel bars and a construction method thereof, and solves the problems of high construction cost and low construction efficiency of the conventional rammed earth wall.
(II) technical scheme
In order to solve the technical problem, the invention provides a constructional column-free rammed earth wall reinforced by vertical steel bars, which comprises a wall foundation, a wall body and a coping, wherein the wall foundation, the wall body and the coping are sequentially arranged from bottom to top; and a waterproof isolation layer is arranged between the wall base and the wall body.
Furthermore, a filler wall is arranged between the rammed earth wall body and the main structural column; the coping includes concrete collar tie beam, the top of wall towards one side of infilled wall is equipped with L shape step, concrete collar tie beam sets up on the L shape step, just the top surface of concrete collar tie beam with the top surface parallel and level of wall.
Furthermore, a plurality of first L-shaped steels which are in one-to-one correspondence with the vertical steel bars are pre-embedded in the filler wall, the horizontal edges of the first L-shaped steels respectively penetrate through the filler wall and extend into the concrete ring beam, first through holes for the vertical steel bars to penetrate through are respectively formed in the horizontal edges of the first L-shaped steels, and the vertical steel bars are respectively welded with the first L-shaped steels in one-to-one correspondence; the vertical side of each first L-shaped steel is welded with an H-shaped steel beam which is arranged inside the main structure column; and a plurality of transverse steel bars are further arranged in the concrete ring beam, and each transverse steel bar is respectively arranged below the horizontal edge of the first L-shaped steel.
Furthermore, the rammed earth wall body and the main structural column are tightly arranged; the coping comprises a concrete top plate, a plurality of transverse planting bars are arranged inside the main structure column, and the plurality of transverse planting bars are sequentially arranged at intervals along the transverse extending direction of the main structure column; one end of each transverse planting bar penetrates through the main structure column and extends into the concrete top plate; the concrete roof is characterized in that a plurality of stirrups and a plurality of connecting steel bars which are bound with the stirrups are further arranged inside the concrete roof, and the stirrups are sequentially arranged at intervals along the transverse extending direction of the concrete roof.
Furthermore, a plurality of second L-shaped steels which correspond to the vertical steel bars one by one are arranged inside the wall body; second through holes for the vertical steel bars to pass through are formed in the horizontal edges of the second L-shaped steels respectively, and the vertical steel bars are welded with the second L-shaped steels in a one-to-one correspondence mode; and each second L-shaped steel is respectively connected with the main structure column.
In order to solve the technical problem, the invention also provides a method for constructing the rammed earth wall without the constructional column reinforced by the vertical steel bars, which comprises the following steps:
s1, building a wall foundation, and sequentially arranging a plurality of vertical steel bars at intervals along the transverse extension direction of the wall foundation, so that the lower ends of the vertical steel bars respectively extend into the wall foundation, and the vertical steel bars are firmly fixed with the wall foundation;
s2, arranging a waterproof isolation layer on the upper top surface of the wall base;
s3, tamping a wall body on the waterproof isolation layer to enable each vertical steel bar to penetrate through the wall body from bottom to top respectively;
and S4, building a coping on the wall body, so that the upper end of each vertical steel bar extends into the coping respectively, and each vertical steel bar is firmly fixed with the coping respectively.
Further, when a filler wall is disposed between the rammed earth wall and the main structural column, step S4 specifically includes:
arranging an L-shaped step on one side, facing the filler wall, of the top of the wall body;
a plurality of first L-shaped steels which correspond to the vertical steel bars one by one are pre-buried in the filler wall, and the vertical edges of the first L-shaped steels are respectively welded with H-shaped steel beams arranged in the main structure columns;
the top of each vertical steel bar correspondingly penetrates through the horizontal edge of each first L-shaped steel respectively, and the top of each vertical steel bar is correspondingly welded with the horizontal edge of each first L-shaped steel respectively;
a plurality of transverse steel bars are arranged below the horizontal edge of each first L-shaped steel;
and pouring concrete on the L-shaped steps to form the concrete ring beam.
Further, when the rammed earth wall and the main structural column are tightly arranged, step S4 specifically includes:
embedding a plurality of transverse planting bars in the main structure column, sequentially arranging the transverse planting bars at intervals along the transverse extension direction of the main structure column, and enabling one end of each transverse planting bar to penetrate through the main structure column and be arranged above the top of the wall body;
arranging a plurality of stirrups on the top of the wall body respectively, enabling the stirrups to be arranged at intervals in sequence along the transverse extension direction of the wall body respectively, and binding the stirrups through connecting steel bars respectively;
and pouring concrete on the top of the wall body to form a concrete top plate.
Further, when the height of the rammed earth wall is greater than 3500mm, step S3 further includes:
arranging a plurality of second L-shaped steels in one-to-one correspondence with the vertical steel bars in the middle of the wall body, so that the second L-shaped steels are respectively connected with the main structure columns;
correspondingly penetrating each vertical steel bar through the horizontal edge of each second L-shaped steel respectively;
and correspondingly welding the horizontal side of each second L-shaped steel with each vertical steel bar.
Specifically, the distance between two adjacent vertical steel bars is less than or equal to 1500 mm; the distance between two adjacent transverse planting bars is less than or equal to 300 mm; the depth of the vertical steel bar extending into the coping is more than or equal to 300 mm; the depth of the transverse planting bar extending into the main structure column is more than or equal to 40d, wherein d is the diameter of the transverse planting bar.
(III) advantageous effects
The technical scheme of the invention has the following advantages:
according to the constructional column-free rammed earth wall reinforced by the vertical steel bars and the construction method thereof, provided by the invention, the constructional column is not required to be arranged, the plurality of vertical steel bars are arranged in the wall body in a penetrating manner, so that the upper ends of the vertical steel bars respectively extend into the inside of the coping, and the lower ends of the vertical steel bars respectively extend into the inside of the wall base, so that the structural strength of the rammed earth wall is enhanced, the external flash of the rammed earth wall can be effectively controlled, the integral bearing capacity and the anti-seismic performance of the wall body are improved, the construction cost is reduced, and the construction efficiency is improved.
Drawings
FIG. 1 is a first schematic structural view of a tectorless rammed earth wall reinforced with vertical steel bars according to an embodiment of the present invention;
FIG. 2 is a second structural schematic diagram of a tectorless rammed earth wall reinforced with vertical steel bars according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a wall base in a rammed earth wall body without a constructional column reinforced by vertical steel bars according to an embodiment of the invention;
FIG. 4 is a first structural schematic view of a coping in a column-free rammed earth wall reinforced with vertical steel bars according to an embodiment of the present invention;
FIG. 5 is a second schematic illustration of the construction of the embodiment of the invention using vertical reinforcement to reinforce the rammed earth wall without constructional columns for roof pressing;
FIG. 6 is a first schematic structural view of a wall body of a non-structural column rammed earth wall body reinforced by vertical steel bars according to an embodiment of the invention;
fig. 7 is a second structural diagram of a wall body in a rammed earth wall body without a constructional column reinforced by vertical steel bars according to the embodiment of the invention.
In the figure: 1: a wall base; 2: a wall body; 3: pressing; 4: vertical reinforcing steel bars; 5: a waterproof isolation layer; 6: a main structural column; 7: filling a wall; 8: a first L-shaped steel; 9: an H-shaped steel beam; 10: transverse reinforcing steel bars; 11: leveling and slope finding by cement mortar; 12: a first rain shield; 13: transversely planting ribs; 14: hooping; 15: connecting reinforcing steel bars; 16: a second rain shield; 17: a second L-shaped steel; 18: u-shaped steel; 19: embedding a steel plate into a part; 20: outdoor terrace; 21: indoor terrace.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1 to 7, the embodiment of the invention provides a tectonic column-free rammed earth wall reinforced by vertical steel bars, which comprises a wall base 1, a wall body 2 and a coping 3 which are arranged in sequence from bottom to top.
Wear to be equipped with a plurality of vertical reinforcing bar 4 in the wall 2, it is a plurality of vertical reinforcing bar 4 is followed wall 2's horizontal extending direction sets up at interval in proper order.
The upper ends of the vertical steel bars 4 penetrate through the upper top surface of the wall body 2 and extend into the inside of the coping 3, and the lower ends of the vertical steel bars 4 penetrate through the lower bottom surface of the wall body 2 and extend into the inside of the wall foundation 1.
The top surface of the wall base 1 should be smooth and continuous, and a waterproof isolation layer 5 is further arranged between the wall base 1 and the wall body 2. Through setting up waterproof isolation layer 5 can prevent effectively that the rainwater from following 2 infiltration of wall body reach in the wall base 1, it is right wall base 1 protects.
Wherein, according to the actual use requirement, the waterproof isolating layer 5 can adopt a waterproof coating film or a waterproof coiled material.
That is, this application rammed earth wall body compare with traditional rammed earth wall body, need not to set up the constructional column, but through setting up a plurality of vertical reinforcing bars 4 at rammed earth wall body inside, make each vertical reinforcing bar 4 can be fixed firm with wall base 1, wall body 2 and coping 3 respectively, thereby strengthen the structural strength who rammes earth wall body, the whole bearing capacity and the anti-seismic performance of rammed earth wall body have not only been improved, and then the security performance of rammed earth wall body has been improved, can also the external sudden strain of a muscle of effective control rammed earth wall body, construction cost has still been reduced simultaneously, construction efficiency has been improved.
In particular, each of the vertical bars 4 is made of deformed steel, the diameter of which should be greater than or equal to 20 mm.
Specifically, the height of the wall base 1 is preferably greater than or equal to 400 mm. Of course, the setting height of the wall base 1 can be determined according to the actual situation, but the lowest height of the wall base 1 is not less than 250 mm.
In the first embodiment of the present application, when a filler wall 7 is provided between the ramming wall and the main structural column 6, the coping 3 comprises a concrete ring beam 301, an L-shaped step is provided on one side of the top of the wall 2 facing the filler wall 7, the concrete ring beam 301 is provided on the L-shaped step, and the top surface of the concrete ring beam 301 is flush with the top surface of the wall 2.
A plurality of first L-shaped steels 8 corresponding to the vertical steel bars 4 one to one are embedded in the infilled wall 7, and the horizontal edges of the first L-shaped steels 8 penetrate through the infilled wall 7 and extend into the concrete ring beam 301. First through holes for the vertical steel bars 4 to penetrate through are respectively formed in the horizontal edges of the first L-shaped steels 8, the vertical steel bars 4 respectively penetrate through the first through holes in the first L-shaped steels 8 correspondingly, and the vertical steel bars 4 are respectively welded with the horizontal edges of the first L-shaped steels 8 in a one-to-one correspondence mode.
The vertical sides of the first L-shaped steels 8 are welded with H-shaped steel beams 9 respectively, and the H-shaped steel beams 9 are arranged inside the main structure column 6.
That is, each of the first L-shaped steels 8 is welded to the H-shaped steel beam 9 to form a first connecting member, and the concrete ring beam 301 is connected to the main structure column 6 by anchoring through the first connecting member, so that the anti-seismic performance of the rammed earth wall is further improved, and the safety performance of the rammed earth wall is further improved.
Specifically, in order to further improve the structural strength and the bearing capacity of the coping 3, a plurality of transverse reinforcing bars 10 are further provided inside the concrete ring beam 301, and each transverse reinforcing bar 10 is provided below the horizontal side of the first L-shaped steel 8.
Particularly, cement mortar trowelling and slope finding 11 is further arranged on the top surface of the concrete ring beam 301 and the top surface of the wall body 2, and a first rain shielding baffle plate 12 is arranged on the cement mortar trowelling and slope finding 11, so that rainwater can be effectively prevented from permeating into the coping 3 and the wall body 2 from the top of the rammed earth wall body, and the rammed earth wall body is protected.
In the second embodiment of the present application, when the rammed earth wall is tightly arranged with the main structure column 6, that is, no filler wall is arranged between the rammed earth wall and the main structure column 6, the coping 3 includes the concrete roof 302, a plurality of transverse planting bars 13 are arranged inside the main structure column 6, and a plurality of the transverse planting bars 13 are sequentially arranged at intervals along the transverse extending direction of the main structure column 6.
One end of each transverse planting bar 13 penetrates through the main structure column 6 and extends into the concrete top plate 302.
That is, the concrete roof 302 and the main structural column 6 are anchored and connected by the transverse embedded bars 13, so that the anti-seismic performance of the rammed earth wall is further improved, and the safety performance of the rammed earth wall is further improved.
Specifically, in order to further improve the structural strength and the bearing capacity of the coping 3, a plurality of stirrups 14 and a plurality of connecting steel bars 15 respectively bound with the stirrups 14 are further arranged inside the concrete roof 302. The stirrups 14 are sequentially arranged at intervals along the transverse extending direction of the concrete top plate 302.
Specifically, a second rain shielding plate 16 is further disposed on the top of the concrete roof 302, so that rainwater can be effectively prevented from permeating into the coping 3 from the top of the rammed earth wall, and the rammed earth wall is protected.
Specifically, the overall height of the rammed earth wall is preferably less than or equal to 3500 mm.
Of course, the overall height of the rammed earth wall body can be determined according to the actual construction requirement, but the maximum height of the overall height of the rammed earth wall body is not greater than 7300 mm.
Further, when the overall height of the rammed earth wall body is greater than 3500mm, a tie structure is further arranged at the middle position of the wall body 2 along the height direction, and the reliable connection between the wall body 2 and the main structure column 6 is realized through the tie structure.
Wherein, the drawknot structure is at least including setting up inside the wall 2 and with a plurality of second L shaped steel 17 of vertical reinforcing bar 4 one-to-one. Second through holes for the vertical steel bars 4 to pass through are respectively formed in the horizontal edges of the second L-shaped steels 17, the vertical steel bars 4 correspondingly pass through the second through holes in the second L-shaped steels 17, and the vertical steel bars 4 are correspondingly welded with the horizontal edges of the second L-shaped steels one by one.
In the first embodiment of the present application, a filler wall 7 is disposed between the rammed earth wall and the main structural column 6, and then the tie structure further includes a U-shaped steel 18 disposed inside the filler wall 7.
Wherein, the vertical side of each second L-shaped steel 17 is respectively welded with one side of the U-shaped steel 18, and the other side of the U-shaped steel 18 is welded with the main structure column 6.
In the second embodiment of the present application, the rammed earth wall is tightly arranged with the main structural column 6, and the tie structure further includes a steel plate embedded part 19 arranged inside the main structural column 6.
Wherein the vertical edge of each second L-shaped steel 17 is welded with the steel plate embedded part 19.
Specifically, a plurality of the tie structures may be disposed along the longitudinal direction of the wall body 2, and the distance between two adjacent tie structures should be less than 2100mm, so as to ensure the connection strength between the wall body 2 and the main structure column 6.
The invention also provides a construction method of the rammed earth wall body without the constructional column reinforced by the vertical steel bars in the embodiment, which specifically comprises the following steps:
s1, building the wall foundation 1, and sequentially arranging a plurality of vertical steel bars 4 at intervals along the transverse extension direction of the wall foundation 1, so that the lower ends of the vertical steel bars 4 respectively extend into the wall foundation 1, and the vertical steel bars 4 are firmly fixed with the wall foundation 1.
And S2, arranging a waterproof isolation layer 5 on the upper top surface of the wall base 1.
S3, tamping the wall body 2 on the waterproof isolation layer 5 to enable each vertical steel bar 4 to penetrate through the wall body 2 from bottom to top respectively.
And S4, constructing a coping 3 on the wall body 2, so that the upper ends of the vertical steel bars 4 respectively extend into the coping 3, and the vertical steel bars 4 are respectively and firmly fixed with the coping 4.
That is, according to the method for ramming the earth wall body, the plurality of vertical steel bars 4 are arranged inside the rammed earth wall body, and each vertical steel bar 4 can be firmly fixed with the wall base 1, the wall body 2 and the coping 3 respectively, so that the whole bearing capacity and the anti-seismic performance of the rammed earth wall body are improved, the safety performance of the rammed earth wall body is improved, the external flashing of the rammed earth wall body can be effectively controlled, the construction cost is reduced, and the construction efficiency is improved.
Further, when the filler wall 7 is disposed between the rammed earth wall and the main structural column 6, the step S4 specifically includes:
an L-shaped step is provided on the top of the wall 2 facing the side of the infill wall 7.
And a plurality of first L-shaped steels 8 which correspond to the vertical steel bars 4 one by one are embedded in the filler wall 7, and the vertical edges of the first L-shaped steels 8 are respectively welded with H-shaped steel beams 9 arranged in the main structure column 6.
And correspondingly penetrating the top of each vertical steel bar 4 through the horizontal edge of each first L-shaped steel 8, and correspondingly welding the top of each vertical steel bar 4 with the horizontal edge of each first L-shaped steel 8.
A plurality of transverse reinforcing bars 10 are provided below the horizontal sides of the first L-shaped steels 8.
And pouring concrete on the L-shaped steps to form the concrete ring beam 301.
Cement mortar is arranged on the top surface of the concrete ring beam 301 and the top surface of the wall body 2 to trowel and find the slope 11.
And arranging a first rain shielding baffle 12 on the cement mortar trowelling slope finding 11.
Further, when the rammed earth wall and the main structural column 6 are tightly arranged, step S4 specifically includes:
a plurality of transverse planting bars 13 are pre-buried inside the main structure column 6, so that the transverse planting bars 13 are sequentially arranged at intervals along the transverse extending direction of the main structure column 6, and one end of each transverse planting bar 13 penetrates through the main structure column 6 and is arranged above the top of the wall body 2.
The top of the wall body 2 is respectively provided with a plurality of stirrups 14, so that the stirrups 14 are respectively arranged at intervals along the transverse extension direction of the wall body 2 in sequence, and the stirrups 14 are bound through connecting steel bars 15.
Concrete is poured on the top of the wall body 2 to form a concrete top plate 302.
A second rain shield 16 is provided on top of the concrete roof 302.
Further, when the height of the rammed earth wall is greater than 3500mm and a filler wall 7 is disposed between the rammed earth wall and the main structural column 6, step S3 further includes:
and a plurality of second L-shaped steels 17 which are in one-to-one correspondence with the vertical steel bars 4 are arranged in the middle of the wall body 2.
And respectively welding the vertical edge of each second L-shaped steel 17 with one side of a U-shaped steel 18 embedded in the filler wall 7, wherein the other side of the U-shaped steel 18 is welded with the main structure column 6.
And correspondingly penetrating each vertical steel bar 4 through the horizontal edge of each second L-shaped steel respectively.
And respectively welding the horizontal edges of the second L-shaped steels 17 with the vertical steel bars 4 correspondingly.
Further, when the height of the rammed earth wall is greater than 3500mm and the rammed earth wall is closely arranged with the main structure column 6, the step S3 further includes:
and a plurality of second L-shaped steels 17 which are in one-to-one correspondence with the vertical steel bars 4 are arranged in the middle of the wall body 2.
And respectively welding the vertical edge of each second L-shaped steel 17 with a steel plate embedded part 19 arranged inside the main structure column 6.
And correspondingly penetrating each vertical steel bar 4 through the horizontal edge of each second L-shaped steel respectively.
And respectively welding the horizontal edges of the second L-shaped steels 17 with the vertical steel bars 4 correspondingly.
Further, in step S1, the wall foundation 1 may be formed by casting concrete or by constructing wall materials such as bricks or grouted rubble, which can bear the load of the earth wall.
Specifically, in step S1, when the wall base 1 is constructed, the clear height of the top surface of the wall base 1 from the outdoor floor level 20 is preferably greater than or equal to 400mm, so as to ensure the bearing strength of the wall base 1.
Of course, the net height of the top surface of the wall base 1 from the outdoor floor 20 can be determined according to the actual construction requirement, but the minimum net height of the top surface of the wall base 1 from the outdoor floor 20 should not be less than 250 mm.
Specifically, when the vertical steel bars 4 are arranged, the distance between every two adjacent vertical steel bars 4 is smaller than or equal to 1500mm, so that the overall bearing capacity and the seismic performance of the rammed earth wall are ensured.
Specifically, when the transverse planting bars 13 are arranged, the distance between two adjacent transverse planting bars 13 should be less than or equal to 300mm, so that the overall bearing capacity and the seismic performance of the rammed earth wall are ensured.
Specifically, the depth of the transverse planting bar 13 extending into the main structure column 6 should be greater than or equal to 40d, where d is the diameter of the transverse planting bar 13.
Specifically, the depth of the vertical reinforcing bars 4 extending into the coping 3 should be greater than or equal to 300mm, so as to ensure the connection strength between the vertical reinforcing bars 4 and the coping 3.
In conclusion, the constructional column-free rammed earth wall reinforced by the vertical steel bars and the construction method thereof can effectively control the external flash of the rammed earth wall, improve the overall bearing capacity and the anti-seismic performance of the wall, reduce the construction cost and improve the construction efficiency.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, unless otherwise specified, "a plurality" means one or more; "plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. A tectonic column-free rammed earth wall reinforced by vertical steel bars is characterized by comprising a wall foundation, a wall body and a coping which are sequentially arranged from bottom to top, wherein a plurality of vertical steel bars penetrate through the wall body, the vertical steel bars are sequentially arranged at intervals along the transverse extension direction of the wall body, the upper end of each vertical steel bar penetrates through the upper top surface of the wall body and extends into the coping, and the lower end of each vertical steel bar penetrates through the lower bottom surface of the wall body and extends into the wall foundation; a waterproof isolation layer is arranged between the wall base and the wall body;
a filler wall is arranged between the rammed earth wall body and the main structural column; a plurality of first L-shaped steels which are in one-to-one correspondence with the vertical steel bars are pre-buried in the filler wall, the horizontal edge of each first L-shaped steel penetrates through the filler wall and extends into the concrete ring beam, first through holes for the vertical steel bars to penetrate through are formed in the horizontal edge of each first L-shaped steel, and each vertical steel bar is welded with each first L-shaped steel in one-to-one correspondence; the vertical side of each first L-shaped steel is welded with an H-shaped steel beam which is arranged inside the main structure column; and a plurality of transverse steel bars are further arranged in the concrete ring beam, and each transverse steel bar is respectively arranged below the horizontal edge of the first L-shaped steel.
2. The tectonic column-free rammed earth wall reinforced by vertical steel bars according to claim 1, wherein the coping comprises a concrete ring beam, an L-shaped step is arranged on one side of the top of the wall body facing the filler wall, the concrete ring beam is arranged on the L-shaped step, and the top surface of the concrete ring beam is flush with the top surface of the wall body.
3. The tectonic column-free rammed earth wall body reinforced by vertical steel bars according to claim 1, characterized in that a plurality of second L-shaped steels corresponding to the vertical steel bars one by one are arranged inside the wall body; second through holes for the vertical steel bars to pass through are formed in the horizontal edges of the second L-shaped steels respectively, and the vertical steel bars are welded with the second L-shaped steels in a one-to-one correspondence mode; and each second L-shaped steel is respectively connected with the main structure column.
4. A method for constructing a constructional column-free rammed earth wall reinforced by vertical steel bars is characterized by comprising the following steps:
s1, building a wall foundation, and sequentially arranging a plurality of vertical steel bars at intervals along the transverse extension direction of the wall foundation, so that the lower ends of the vertical steel bars respectively extend into the wall foundation, and the vertical steel bars are firmly fixed with the wall foundation;
s2, arranging a waterproof isolation layer on the upper top surface of the wall base;
s3, tamping a wall body on the waterproof isolation layer to enable each vertical steel bar to penetrate through the wall body from bottom to top respectively;
s4, building a coping on the wall body, so that the upper end of each vertical steel bar extends into the coping respectively, and each vertical steel bar is firmly fixed with the coping respectively;
be equipped with the infilled wall between rammed earth wall body and the major structure post, step S4 specifically includes:
arranging an L-shaped step on one side, facing the filler wall, of the top of the wall body;
a plurality of first L-shaped steels which correspond to the vertical steel bars one by one are pre-buried in the filler wall, and the vertical edges of the first L-shaped steels are respectively welded with H-shaped steel beams arranged in the main structure columns;
the top of each vertical steel bar correspondingly penetrates through the horizontal edge of each first L-shaped steel respectively, and the top of each vertical steel bar is correspondingly welded with the horizontal edge of each first L-shaped steel respectively;
a plurality of transverse steel bars are arranged below the horizontal edge of each first L-shaped steel;
and pouring concrete on the L-shaped steps to form the concrete ring beam.
5. The method for constructing a rammed earth wall without structural columns reinforced by vertical steel bars according to claim 4, wherein when the height of the rammed earth wall is greater than 3500mm, the step S3 further comprises:
arranging a plurality of second L-shaped steels in one-to-one correspondence with the vertical steel bars in the middle of the wall body, so that the second L-shaped steels are respectively connected with the main structure columns;
correspondingly penetrating each vertical steel bar through the horizontal edge of each second L-shaped steel respectively;
and correspondingly welding the horizontal side of each second L-shaped steel with each vertical steel bar.
6. The method for constructing a rammed earth wall without structural columns reinforced by vertical steel bars according to claim 5,
the distance between two adjacent vertical steel bars is less than or equal to 1500 mm;
the depth of the vertical steel bar extending into the coping is more than or equal to 300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910670555.XA CN110409669B (en) | 2019-07-24 | 2019-07-24 | Constructional column-free rammed earth wall reinforced by vertical steel bars and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910670555.XA CN110409669B (en) | 2019-07-24 | 2019-07-24 | Constructional column-free rammed earth wall reinforced by vertical steel bars and construction method thereof |
Publications (2)
| Publication Number | Publication Date |
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