CN205400118U - Eccentric outer wall underpins structure - Google Patents
Eccentric outer wall underpins structure Download PDFInfo
- Publication number
- CN205400118U CN205400118U CN201620189539.0U CN201620189539U CN205400118U CN 205400118 U CN205400118 U CN 205400118U CN 201620189539 U CN201620189539 U CN 201620189539U CN 205400118 U CN205400118 U CN 205400118U
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- wall
- upright column
- vertical upright
- eccentric
- underpinning
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Abstract
The utility model discloses an eccentric outer wall underpins structure, including locating the underpinning roof beam of eccentric outer wall bottom is located a plurality of vertical stand of hugging closely between the supporting horizontal beam of the eccentric wall body in underpinning roof beam and upper portion and with eccentric outer wall, vertical stand with connect through a plurality of even wall spares between the eccentric outer wall, vertical stand top is equipped with pile cap, vertical stand with connect through pile cap between the supporting horizontal beam of the eccentric wall body in upper portion, vertical stand with through even wall spare and horizontal backing plate are connected between the underpinning roof beam. The utility model discloses a set up the effect that vertical stand reaches effective support between the supporting horizontal beam of the eccentric wall body of underpinning roof beam and upper portion, when the permanent structure after reforming transform is coincided with the position of vertical stand, pour vertical stand in permanent structure, treat that permanent structural strength cuts off exerted vertical stand when reaching the designing requirement, guaranteed the interior space, and avoided the secondary to underpin.
Description
Technical field
This utility model relates to building underpinning technique field, is specifically related to a kind of eccentric exterior wall underpinning structure.
Background technology
Along with developing rapidly of urban architecture, particularly central city, increasing old building with a long history can not meet far away modern people's living conditions and instructions for use, As time goes on total quality and the performance of these old buildings all reduce, and therefore the requirement of the reinforcing of these buildings, overhaul, transformation are got more and more.Its alien invasion needs because of moulding, often occur that upper and lower eccentric phenomena occur in exterior wall and corridor post force structure, thus structure carries out removing and need in transformation process eccentric part bit architecture safety is adjusted therein, and take certain reinforcing or underpin mode, it is ensured that the vertical support safety of the eccentric component such as exterior wall or corridor post and stability.
In existing processing method, generally adopt the mode that temperature pier structure is set for eccentric exterior wall or component, but later in the work progress of permanent structure, it is usually present the problem that the position of temperature pier structure and permanent structure clashes, thus causing needing to carry out second underpinning before permanent structure is constructed, not only take time and effort, and the structural safety and construction quality to building all can bring considerable influence, thus fails to meet well the needs of practical application.
Utility model content
This utility model provides a kind of eccentric exterior wall underpinning structure, to solve the inefficiency existed in prior art, and the problem such as the structural safety of reduction building and construction quality.
In order to solve above-mentioned technical problem, the technical solution of the utility model is: a kind of eccentric exterior wall underpinning structure, including the underpinning beam being located at bottom described eccentric exterior wall, the some vertical upright columns being located between the supporting horizontal beam of described underpinning beam and top bias body of wall and be close to lower support body of wall, it is connected by some wall-connecting pieces between described vertical upright column with described eccentric exterior wall, described vertical upright column top is provided with cap, it is connected by cap between described vertical upright column and the supporting horizontal beam of described top bias body of wall, it is connected by wall-connecting piece and horizontal backing plate between described vertical upright column with described underpinning beam.
Further, described vertical upright column is H profile steel, and the edge of a wing of described H profile steel and described lower support body of wall are close to.
Further, described cap is formed with the horizontal end socket steel plate splicing being positioned at the described upper and lower two ends of vertical steel plate by the vertical steel plate being located at the left and right sides, the horizontal end socket steel plate of described lower end is connected with vertical upright column, and the horizontal end socket steel plate of described upper end is connected with the supporting horizontal beam of described top bias body of wall.
Further, it is welded and fixed between horizontal end socket steel plate and the described vertical upright column of described lower end, is fixed by wall-connecting piece between horizontal end socket steel plate and the supporting horizontal beam of described top bias body of wall of described upper end.
Further, described wall-connecting piece is chemical bolt.
This utility model also provides for the support and change method of a kind of eccentric exterior wall underpinning structure as above, comprises the following steps:
S1: according to top bias body of wall and the eccentric distance of lower support body of wall, size and weight parameter, the quantity of design vertical upright column and size, and build underpinning beam in the bottom of described eccentric exterior wall；
S2: vertical upright column is arranged between the supporting horizontal beam of described underpinning beam and top bias body of wall against eccentric exterior wall, use wall-connecting piece that vertical upright column and eccentric exterior wall are attached, connected the supporting horizontal beam of vertical upright column and top bias body of wall by cap, connect vertical upright column and underpinning beam by horizontal backing plate and wall-connecting piece；
S3: after completing top bias body of wall is underpined, removes the horizontal support beam beyond existing building bias body of wall scope and internal structure；
S4: carry out permanent structure construction, vertical upright column is directly cast in permanent structure by the position overlapped with vertical upright column at permanent structure, and cuts off the vertical upright column exposed after the intensity of permanent structure reaches designing requirement.
The eccentric exterior wall underpinning structure that this utility model provides, by arranging underpinning beam bottom eccentric exterior wall, and the effect that vertical upright column reaches effectively to support is set between the supporting horizontal beam of underpinning beam and top bias body of wall, by arranging wall-connecting piece to improve the stability of vertical upright column between vertical upright column and described eccentric exterior wall, it is connected by cap between vertical upright column and the supporting horizontal beam of described top bias body of wall, to improve the compression area of vertical upright column, it is connected by horizontal backing plate and wall-connecting piece between vertical upright column with described underpinning beam, improve the support performance of bonding strength between the two and vertical upright column.In permanent structure work progress, run into the position overlapped with vertical upright column, directly vertical upright column is cast in permanent structure, the vertical upright column exposed is cut off when vertical structure intensity reaches designing requirement, ensure that the interior space, and avoid second underpinning, time saving and energy saving, and ensure that and structural safety and the construction quality of building meet the needs of practical application well.
Accompanying drawing explanation
Fig. 1 is the operating diagram of this utility model bias exterior wall underpinning structure；
Fig. 2 is the connection diagram of this utility model vertical upright column and the supporting horizontal beam of top, top bias body of wall；
Fig. 3 is the sectional view at A-A place in Fig. 2；
Fig. 4 is the connection diagram of this utility model vertical upright column and lower support body of wall；
Fig. 5 is the sectional view at B-B place in Fig. 4；
Fig. 6 is the connection diagram of this utility model vertical upright column and underpinning beam；
Fig. 7 is the sectional view at C-C place in Fig. 6.
Shown in figure: 1, eccentric exterior wall；2, top bias body of wall；3, the supporting horizontal beam of top bias body of wall；4, exterior wall lower support body of wall；5, underpinning beam；6, vertical upright column；61, cap；611, vertical steel plate；612, horizontal end socket steel plate；7, wall-connecting piece；8, horizontal backing plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail:
As shown in figs. 1-7, this utility model provides a kind of eccentric exterior wall 1 underpinning structure, including the underpinning beam 5 being located at bottom described exterior wall 1, the some vertical upright columns 6 being located between the supporting horizontal beam 3 of described underpinning beam 5 and top bias body of wall and be close to lower support body of wall 4, it is connected by some wall-connecting pieces 7 between described vertical upright column 6 with described lower support body of wall 4, described vertical upright column 6 top is provided with cap 61, it is connected by cap 61 between described vertical upright column 6 and the supporting horizontal beam 3 of described top bias body of wall 2, it is connected by horizontal backing plate 8 and wall-connecting piece 7 between described vertical upright column 6 with described underpinning beam 5.nullConcrete，Eccentric exterior wall 1 includes lower support body of wall 4 and top bias body of wall 2 two parts corresponding with lower support body of wall 4，Before reconstruction，Top bias body of wall 2 is supported jointly by lower support body of wall 4 and supporting horizontal beam 3，In reconstruction process，The supporting horizontal beam 3 of top bias body of wall 2 is removed，Therefore there is bias in the vertical applied force of the top bias body of wall of eccentric exterior wall，It is easily generated overturning，Therefore underpinning structure must be adopted to be supported，The quantity of vertical upright column 6 and the size eccentric distance according to eccentric exterior wall 1、Size and weight are set，Wherein the height of vertical upright column 6 is suitable apart from the height of 5, underpinning beam with the supporting horizontal beam 3 of top bias body of wall，The quantity of vertical upright column 6 selects according to eccentric distance and the weight of eccentric exterior wall 1，And adjacent two vertical upright columns 6 arrange at a certain distance，Realize the gentle support to eccentric exterior wall 1.
Preferably, described vertical upright column 6 is H profile steel, the edge of a wing of described H profile steel and described lower support body of wall 4 are close to, make to be fully contacted between vertical upright column 6 and lower support body of wall 4, take into full account the coefficient of compressibility of lower support body of wall 4 and H profile steel, reduce settlement difference, improve support effect further, concrete, wall-connecting piece 7 connects wing source and the lower support body of wall 4 of H profile steel, by vertical upright column 6 and lower support body of wall 4 compact siro spinning technology.
Preferably, described wall-connecting piece 7 is chemical bolt, has the effect of acid and alkali-resistance, deformation corrosion-resistant, ageing-resistant, anti-and antidetonation and good stability, and intensity is high, further increases the bonding strength between vertical upright column 6 and lower support body of wall 4.
Please emphasis with reference to Fig. 2-3, described cap 61 is spliced with the horizontal end socket steel plate 612 being located at described vertical steel plate about 611 two ends by the vertical steel plate 611 being located at the left and right sides, it is welded and fixed between horizontal end socket steel plate 612 and the vertical upright column 6 of described lower end, the distance between supporting horizontal beam 3 according to vertical upright column 6 and top bias body of wall is set, and in the present embodiment, horizontal end socket steel plate 612 is 4mm.Preferably, it is welded and fixed between horizontal end socket steel plate 612 and the described vertical upright column 6 of described lower end, it is fixed by wall-connecting piece 7 between horizontal end socket steel plate 612 and the supporting horizontal beam 3 of described top bias body of wall of described upper end, described wall-connecting piece 7 is chemical bolt, bonding strength is high, effect stability.
This utility model also provides for the support and change method of a kind of eccentric exterior wall 1 underpinning structure as above, comprises the following steps:
S1: according to the eccentric distance between top bias body of wall 2 and lower support body of wall 4, size and weight parameter, the quantity of design vertical upright column 5 and size, and build underpinning beam 5 in the bottom of described eccentric exterior wall 1；Concrete, underpinning beam 5 adopts armored concrete to build and forms, eccentric exterior wall 1 includes some lower support bodies of wall 4 and top bias body of wall 2 two parts, before reconstruction, top bias body of wall 2 is supported jointly by the supporting horizontal beam 3 of lower support body of wall 4 and top bias body of wall, the quantity of vertical upright column 6 and the size eccentric distance according to eccentric exterior wall 1, size and weight are set, wherein the height of vertical upright column 6 is suitable apart from the height of 5, underpinning beam with the supporting horizontal beam 3 of top bias body of wall, the quantity of vertical upright column 6 selects according to eccentric distance and the weight of eccentric exterior wall 1, and adjacent two vertical upright columns 6 arrange at a certain distance, realize the gentle support to eccentric exterior wall 1.
S2: vertical upright column 6 is arranged between the supporting horizontal beam 3 of described underpinning beam 5 and top bias body of wall against lower support body of wall 4, use wall-connecting piece 7 that vertical upright column 6 and lower support body of wall 4 are attached, connected vertical upright column 5 and the supporting horizontal beam 3 of top, top bias body of wall by cap 51, connected vertical upright column 6 and underpinning beam 5 by wall-connecting piece 6 and horizontal backing plate 8；Concrete, vertical upright column 6 is H profile steel, the edge of a wing of described H profile steel and described lower support body of wall 4 are close to, make to be fully contacted between vertical upright column 6 and lower support body of wall 4, improve support effect further, wall-connecting piece 7 is chemical bolt, connects wing source and the lower support body of wall 4 of H profile steel, it is ensured that the vertical stability of lower support body of wall 4 and H profile steel.Described cap 61 is spliced with the horizontal end socket steel plate 612 being located at described vertical steel plate about 611 two ends by the vertical steel plate 611 being located at the left and right sides, it is welded and fixed between horizontal end socket steel plate 612 and the vertical upright column 6 of described lower end, the distance between supporting horizontal beam 3 according to vertical upright column 6 and top bias body of wall is set, and in the present embodiment, horizontal end socket steel plate 612 is 4mm.It is welded and fixed between described horizontal end socket steel plate 612 and described vertical upright column 6, fixed by wall-connecting piece 7 and horizontal backing plate 8 between horizontal end socket steel plate 612 and the supporting horizontal beam 3 of described top bias body of wall of described upper end, described wall-connecting piece 7 is chemical bolt, and bonding strength is high, effect stability.
S3: after completing the top bias body of wall 2 of eccentric body of wall 1 is underpined, removes horizontal support beam 3 and the internal structure of top bias body of wall beyond existing building bias body of wall 1 scope；
S4: carry out permanent structure construction, vertical upright column 6 is directly cast in permanent structure by the position overlapped with vertical upright column 6 at permanent structure, and after the intensity of permanent structure reaches design strength, cut off the vertical upright column 6 exposed, ensure that the interior space, and avoid second underpinning, time saving and energy saving, and ensure that structural safety and the construction quality of building.
In sum, eccentric exterior wall 1 underpinning structure that this utility model provides, by arranging underpinning beam 5 bottom eccentric exterior wall 1, and the effect that vertical upright column 6 reaches effectively to support is set between the supporting horizontal beam 3 of underpinning beam 5 and top bias body of wall, by arranging wall-connecting piece 7 between vertical upright column 6 and described lower support body of wall 4 to improve the stability of vertical upright column 6, it is connected the compression area improving vertical upright column 6 by cap 61 between vertical upright column 6 and the supporting horizontal beam 3 of described top bias body of wall, it is connected by horizontal backing plate 8 between vertical upright column 6 with described underpinning beam 5, improve bonding strength between the two and the support performance of vertical upright column 6.In permanent structure work progress, run into the position overlapped with vertical upright column 6, directly vertical upright column 6 is cast in permanent structure, the vertical upright column 6 exposed is cut off when vertical structure intensity reaches designing requirement, ensure that the interior space, and avoid second underpinning, time saving and energy saving, and ensure that and structural safety and the construction quality of building meet the needs of practical application well.
Although embodiment of the present utility model being illustrated in description, but these embodiments are intended only as prompting, should not limit protection domain of the present utility model.In the scope without departing from this utility model objective, carry out various omission, displacement and change should be included in protection domain of the present utility model.
Claims (5)
1. an eccentric exterior wall underpinning structure, it is characterized in that, including the underpinning beam being located at bottom described eccentric exterior wall, the some vertical upright columns being located between the supporting horizontal beam of described underpinning beam and top bias body of wall and be close to bottom exterior wall, it is connected by some wall-connecting pieces between described vertical upright column with described lower support body of wall, described vertical upright column top is provided with cap, it is connected by cap between described vertical upright column and the supporting horizontal beam of described top bias body of wall, it is connected by wall-connecting piece and horizontal backing plate between described vertical upright column with described underpinning beam.
2. eccentric exterior wall underpinning structure according to claim 1, it is characterised in that described vertical upright column is H profile steel, and the edge of a wing of described H profile steel and described lower support body of wall are close to.
3. eccentric exterior wall underpinning structure according to claim 1, it is characterized in that, described cap is formed with the horizontal end socket steel plate splicing being positioned at the described upper and lower two ends of vertical steel plate by the vertical steel plate being located at the left and right sides, the horizontal end socket steel plate of described lower end is connected with vertical upright column, and the horizontal end socket steel plate of described upper end is connected with the supporting horizontal beam of described top bias body of wall.
4. eccentric exterior wall underpinning structure according to claim 3, it is characterized in that, it is welded and fixed between described horizontal end socket steel plate and described vertical upright column, is fixed by wall-connecting piece between the supporting horizontal beam of described horizontal end socket steel plate and described top bias body of wall.
5. the eccentric exterior wall underpinning structure according to claim 1 or 4, it is characterised in that described wall-connecting piece is chemical bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189539.0U CN205400118U (en) | 2016-03-11 | 2016-03-11 | Eccentric outer wall underpins structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620189539.0U CN205400118U (en) | 2016-03-11 | 2016-03-11 | Eccentric outer wall underpins structure |
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| Publication Number | Publication Date |
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| CN205400118U true CN205400118U (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620189539.0U Withdrawn - After Issue CN205400118U (en) | 2016-03-11 | 2016-03-11 | Eccentric outer wall underpins structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625745A (en) * | 2016-03-11 | 2016-06-01 | 上海建工二建集团有限公司 | Eccentric exterior wall underpinning structure and method |
-
2016
- 2016-03-11 CN CN201620189539.0U patent/CN205400118U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105625745A (en) * | 2016-03-11 | 2016-06-01 | 上海建工二建集团有限公司 | Eccentric exterior wall underpinning structure and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20171219 |