CN109083128A - Fashioned iron column assembled underground continuous wall with high-bearing capacity - Google Patents
Fashioned iron column assembled underground continuous wall with high-bearing capacity Download PDFInfo
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- CN109083128A CN109083128A CN201811052473.0A CN201811052473A CN109083128A CN 109083128 A CN109083128 A CN 109083128A CN 201811052473 A CN201811052473 A CN 201811052473A CN 109083128 A CN109083128 A CN 109083128A
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- Prior art keywords
- base expanding
- fashioned iron
- continuous wall
- iron column
- vertical
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/20—Bulkheads or similar walls made of prefabricated parts and concrete, including reinforced concrete, in situ
Abstract
The invention discloses a kind of fashioned iron column assembled underground continuous wall with high-bearing capacity, being intended to provide one kind can not only be in the case where guaranteeing the earth-retaining ability and sealing ability of foundation pit enclosure, effectively shorten the construction period of foundation pit enclosure, reduce the occupied space of foundation pit enclosure, and can be improved the fashioned iron column assembled underground continuous wall with high-bearing capacity to the bearing capacity of the wall of assembled underground continuous wall.It includes underground cement soil continuous wall;And it is plugged in the assembled wall body construction in the cement soil continuous wall of underground, assembled wall body construction includes the fashioned iron column that several length directions along underground cement soil continuous wall are arranged successively the vertical reinforcement precast concrete of distribution and the lower end of vertical reinforcement precast concrete is arranged in correspondingly, fashioned iron column is equipped with air bag base expanding and base expanding device, and air bag base expanding and base expanding device includes base expanding and base expanding support plate, backstop limit plate, gasbag and grouting pipe.
Description
Technical field
The present invention relates to a kind of diaphram walls, and in particular to a kind of fashioned iron column assembled underground with high-bearing capacity
Diaphragm wall.
Background technique
The foundation pit construction of building or structures, usually first construction foundation pit are gone along with sb. to guard him, then excavation pit.Foundation pit enclosure knot
The type of structure is more, generallys use following two foundation pit enclosure form: first, by drilled pile earth-retaining, construction on the outside of drilled pile
Underground cement soil continuous wall, underground cement soil continuous wall barrier Groundwater formation foundation pit enclosure body (such as canal formula cuts soil cement
Wall);Second, outside construction underground water soil diaphragm wall obstructs Groundwater formation by armored concrete diaphram wall earth-retaining
Foundation pit enclosure body.Above common two kinds of foundation pit enclosure forms require two kinds of stakes of construction, wherein the rigid pile for being located inside is used
In earth-retaining, the underground cement soil continuous wall positioned at outside is used for sealing, due to there is two campsheds, not only applies in building enclosure construction
Work cycle stretch-out, and space hold is larger.
Summary of the invention
The first object of the present invention is can be in the earth-retaining ability and sealing ability for guaranteeing foundation pit enclosure to provide one kind
In the case of, it effectively shortens the construction period of foundation pit enclosure, reduces the fashioned iron with high-bearing capacity of the occupied space of foundation pit enclosure
Column assembled underground continuous wall.
It is another object of the present invention to provide a kind of carrying energy that can be improved to the wall of assembled underground continuous wall
Power, to adapt to the fashioned iron column assembled underground continuous wall with high-bearing capacity for going along with sb. to guard him demand compared with deep basal pit.
The technical scheme is that
A kind of fashioned iron column assembled underground continuous wall with high-bearing capacity, comprising: underground cement soil continuous wall, underground cement
Native diaphragm wall is for obstructing Groundwater formation foundation pit enclosure body;And it is plugged in the assembled wall in the cement soil continuous wall of underground
Component, assembled wall body construction include the vertical reinforcement that several length directions along underground cement soil continuous wall are arranged successively distribution
Precast concrete and the fashioned iron column of the one-to-one lower end that vertical reinforcement precast concrete is set, the vertical steel
Reinforced concrete prefabricated component is equipped with the prefabricated through-hole of the upper and lower end faces through vertical reinforcement precast concrete, and the fashioned iron is vertical
Column is equipped with air bag base expanding and base expanding device, and air bag base expanding and base expanding device includes base expanding and base expanding support plate, backstop limit plate, gasbag and grouting pipe,
The top of the base expanding and base expanding support plate is rotatably arranged on fashioned iron column lower part by horizontal shaft, and the backstop limit plate is arranged in type
Steel column lower part, backstop limit plate are located above horizontal shaft for limiting the angle of rotation that base expanding and base expanding support plate is rotated around horizontal shaft
Degree, the gasbag are arranged on fashioned iron column, and gasbag is between base expanding and base expanding support plate and fashioned iron column, the Grouting Pipe
The lower end in road is connected to the inner cavity of gasbag, and the upper end of grouting pipe up extends across corresponding assembled wall body construction
Prefabricated through-hole.
It is inserted in the underground cement soil continuous wall of the fashioned iron column assembled underground continuous wall with high-bearing capacity of this programme
Equipped with assembled wall body construction, it can so guarantee the intensity of canal formula cutting assembled underground continuous wall, in excavation pit, only
The canal formula cutting assembled underground continuous wall that needs to construct ensures that the earth-retaining ability and sealing ability of foundation pit enclosure, real
The safe excavation of existing foundation pit, thus effectively shorten the construction period of foundation pit enclosure, reduce the occupied space of foundation pit enclosure.Meanwhile
The assembled wall body construction of this programme is made of several vertical reinforcement precast concretes, and two neighboring vertical reinforcement concrete
It is connected between prefabricated component by joinery and its construction, can be prefabricated according to specification progress finished product due to being fabricated structure, existing
Field assembly construction, the maintenance of the concrete without making steel reinforcement cage and pouring reinforcement concrete diaphragm wall can be further
Shorten the construction period.
And since the lower end of vertical reinforcement precast concrete is provided with fashioned iron column, it is formed under assembled wall body construction
Portion is fashioned iron column, alleviates the whole weight of assembled underground continuous wall and reduces operating expenses.
On the other hand, it since the lower part of fashioned iron column is equipped with air bag base expanding and base expanding device, is inserted in vertical reinforcement precast concrete
After entering in the cement soil continuous wall of underground, cement grout can be injected in gasbag by grouting pipe, expand gasbag, gas
Base expanding and base expanding support plate will be pushed up to rotate around horizontal shaft in pouch expansion process, until base expanding and base expanding support plate is against backstop limit plate
Until upper, after base expanding and base expanding support plate is against on backstop limit plate, base expanding and base expanding support plate and fashioned iron column are substantially in an angle of 90 degrees, thus pole
The big bearing capacity for increasing fashioned iron column lower part makes it improve the bearing capacity to the wall of assembled underground continuous wall, with
The demand of going along with sb. to guard him compared with deep basal pit is adapted to, can so increase the construction depth of assembled underground continuous wall, so that assembled underground
Diaphragm wall can adapt to the effect of going along with sb. to guard him of deeper foundation pit.
Preferably, fashioned iron column is H profile steel, the horizontal shaft, base expanding and base expanding support plate and backstop limit plate are respectively positioned on H-type
Between two flange plates of steel, the gasbag is located between the web and base expanding and base expanding support plate of H profile steel.
Preferably, air bag base expanding and base expanding device further includes lower baffle plate, lower baffle plate is located at the lower section of base expanding and base expanding support plate, lower baffle plate position
Between two flange plates of H profile steel, lower baffle plate is connected with the web of H profile steel and flange plate.
Preferably, being additionally provided with elastic block piece on the upper surface of lower baffle plate, the lower edge of the base expanding and base expanding support plate is located at bullet
Between property baffle and the web of H profile steel.
Preferably, grouting pipe is located between two flange plates of H profile steel.
Preferably, being connected between two neighboring vertical reinforcement precast concrete by joinery and its construction.
Preferably, joinery and its construction include be disposed therein it is vertical on the side of a vertical reinforcement precast concrete
Tongue-and-groove and the vertical tenon for being arranged on the side of another vertical reinforcement precast concrete and matching with vertical tongue-and-groove erect
It is connected to the upper end of tongue-and-groove with the upper surface of vertical reinforcement precast concrete, the lower end of vertical tongue-and-groove and vertical reinforcement coagulation
The lower end surface of native prefabricated component is connected, and vertical tenon is matched with corresponding vertical tongue-and-groove.
Preferably, in same vertical reinforcement precast concrete: being set on the one side of vertical reinforcement precast concrete
There is the vertical tongue-and-groove, the another side of vertical reinforcement precast concrete is equipped with the vertical tenon, and vertical tenon
Slot and vertical tenon are located at the opposite sides of vertical reinforcement precast concrete.
Preferably, grouting pipe is plastic tube or metal tube.
The beneficial effects of the present invention are:
First, the applying of foundation pit enclosure can effectively shorten guaranteeing the earth-retaining ability of foundation pit enclosure and in the case where sealing ability
The work period reduces the occupied space of foundation pit enclosure.
Second, can be improved the bearing capacity to the wall of assembled underground continuous wall, to adapt to going along with sb. to guard him compared with deep basal pit
Demand.
Detailed description of the invention
Fig. 1 is a kind of top view of the fashioned iron column assembled underground continuous wall with high-bearing capacity of the invention.
Fig. 2 is a kind of side view of assembled wall body construction of the invention.
Fig. 3 is a kind of top view of vertical reinforcement precast concrete of the invention.
Fig. 4 is the partial enlarged view in Fig. 2 at A.
In figure:
Underground cement soil continuous wall 1;
Assembled wall body construction 2;
Vertical reinforcement precast concrete 3, prefabricated through-hole 3.1;
Joinery and its construction 4, vertical tongue-and-groove 4.0, vertical tenon 4.1;
Fashioned iron column 5, flange plate 5.1, web 5.2;
Air bag base expanding and base expanding device 6, backstop limit plate 6.1, horizontal shaft 6.2, base expanding and base expanding support plate 6.3, gasbag 6.4, elastic block piece
6.5, lower baffle plate 6.6, grouting pipe 6.7.
Specific embodiment
To keep technical solution of the present invention embodiment purposes, technical schemes and advantages clearer, with reference to the accompanying drawing to this
The technical solution of inventive embodiments carries out clearly explanation and illustration, but following embodiments are merely a preferred embodiment of the present invention,
Rather than whole embodiments.Based on the implementation example in the implementation mode, those skilled in the art are not making creative work
Under the premise of obtained other embodiments, belong to protection scope of the present invention.
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining this programme, and cannot be construed to the limitation to the present invention program.
Referring to following description and drawings, it will be clear that these and other aspects of the embodiment of the present invention.In these descriptions
In attached drawing, some particular implementations in the embodiment of the present invention are specifically disclosed to indicate to implement the embodiment of the present invention
Principle some modes, but it is to be understood that the scope of embodiments of the invention is not limited.On the contrary, reality of the invention
Applying example includes all changes, modification and the equivalent fallen within the scope of the spirit and intension of attached claims.
In the description of the present invention, it is to be understood that, term " thickness ", "upper", "lower", "horizontal", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside", " circumferential direction " be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In the description of the present invention, " multiple "
It is meant that at least two, such as two, three etc., unless otherwise specifically defined, " several " are meant that expression one
Or it is multiple.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral: can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other;It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Specific embodiment one: as shown in Fig. 1, Fig. 2, a kind of fashioned iron column assembled underground with high-bearing capacity is continuous
Wall, including underground cement soil continuous wall 1, underground cement soil continuous wall is for obstructing Groundwater formation foundation pit enclosure body;And it inserts
The assembled wall body construction 2 being located in the ground in cement soil continuous wall.
Assembled wall body construction includes that several length directions along underground cement soil continuous wall are arranged successively the vertical of distribution
Reinforced concrete precast member 3 and the fashioned iron column 5 of the one-to-one lower end that vertical reinforcement precast concrete is set.
Vertical reinforcement precast concrete includes vertical concrete column and the steel reinforcement cage bone being embedded in vertical concrete column
Frame.Vertical reinforcement precast concrete is equipped with the prefabricated through-hole of the upper and lower end faces through vertical reinforcement precast concrete
3.1。
As shown in figure 3, being connected between two neighboring vertical reinforcement precast concrete by joinery and its construction 4.Tenon knot
Structure includes that the vertical tongue-and-groove 4.0 being disposed therein on the side of a vertical reinforcement precast concrete and setting are perpendicular at another
The vertical tenon 4.1 matched on the side of reinforced concrete precast member and with vertical tongue-and-groove, the upper end of vertical tongue-and-groove and perpendicular
It is connected to the upper surface of reinforced concrete precast member, the lower end of vertical tongue-and-groove and the lower end surface of vertical reinforcement precast concrete
It is connected, vertical tenon is matched with corresponding vertical tongue-and-groove.
The dovetail-shape trapezoidal T-shaped or semicircle or round or ellipse in cross section of vertical tenon, the present embodiment
In vertical tenon cross section it is dovetail-shape.The cross section of vertical tongue-and-groove is corresponding with the cross section of vertical tenon.
In same vertical reinforcement precast concrete: the one side of vertical reinforcement precast concrete is equipped with described erect
To tongue-and-groove, the another side of vertical reinforcement precast concrete is equipped with the vertical tenon, and vertical tongue-and-groove and vertical tenon
Head is located at the opposite sides of vertical reinforcement precast concrete.
Fashioned iron column in the present embodiment is H profile steel.In the upper end of fashioned iron column and vertical reinforcement precast concrete
Reinforcement cage skeleton is connected by welding.
As shown in Fig. 2, Fig. 4, fashioned iron column is equipped with air bag base expanding and base expanding device 6.It is set on same fashioned iron column in the present embodiment
There are two air bag base expanding and base expanding devices, and two air bag base expanding and base expanding devices are located at the opposite sides of the web of H profile steel.
Air bag base expanding and base expanding device includes base expanding and base expanding support plate 6.3, backstop limit plate 6.1, lower baffle plate 6.6, gasbag 6.4 and slip casting
Pipeline 6.7.
The top of base expanding and base expanding support plate is rotatably arranged on fashioned iron column lower part by horizontal shaft 6.2, and base expanding and base expanding support plate passes through
Horizontal shaft is suspended on fashioned iron column lower part vertically.For the setting of backstop limit plate 6.1 in fashioned iron column lower part, backstop limit plate is horizontal
Setting, backstop limit plate are located above horizontal shaft for limiting the rotational angle that base expanding and base expanding support plate is rotated around horizontal shaft.Under
Baffle is located at the lower section of base expanding and base expanding support plate.Gasbag is arranged on fashioned iron column, and gasbag is located at base expanding and base expanding support plate and fashioned iron
Between column.
In the same air bag base expanding and base expanding device of the present embodiment, horizontal shaft, base expanding and base expanding support plate, lower baffle plate and backstop limit plate are equal
Between two flange plates 5.1 of H profile steel.
It is connected by welding between lower baffle plate and the web and flange plate of H profile steel.Bullet is additionally provided on the upper surface of lower baffle plate
Property baffle 6.5.The lower edge of base expanding and base expanding support plate is located between elastic block piece and the web 5.2 of H profile steel.
Gasbag is located between the web and base expanding and base expanding support plate of H profile steel.Gasbag is arranged on the web of H profile steel.
The lower end of grouting pipe 6.7 is connected to the inner cavity of gasbag, and the upper end of grouting pipe up extends across correspondence
Assembled wall body construction prefabricated through-hole.Grouting pipe is located between two flange plates of H profile steel.Grouting pipe be plastic tube or
Metal tube.
The Specific construction of fashioned iron column assembled underground continuous wall with high-bearing capacity is as follows:
As shown in Figure 1, underground water soil diaphragm wall 1 of constructing on foundation soil, such as canal formula cut cement soil wall.
In underground during soil cement construction of diaphragm wall, after the underground cement soil continuous wall of one section of setting length of every construction
(such as after every one section of construction sets length as 5-10 meters of underground cement soil continuous wall), in this section of underground cement soil continuous wall
It constructs corresponding assembled wall body construction 2.
The construction of assembled wall body construction successively the following steps are included:
Vertical reinforcement precast concrete and fashioned iron column are successively placed one by one along the length direction of underground cement soil continuous wall
Enter in the cement soil continuous wall of underground, and be connected between two neighboring vertical reinforcement precast concrete by joinery and its construction, i.e.,
Vertical tenon is plugged in corresponding vertical tongue-and-groove.
In addition, when vertical reinforcement precast concrete and fashioned iron column are inserted into the cement soil continuous wall of underground and reach design
After depth, cement grout is injected in gasbag by slip casting machine and grouting pipe, expands gasbag;Gasbag expansion process
It is middle that base expanding and base expanding support plate will be pushed up to rotate around horizontal shaft, until base expanding and base expanding support plate is against on backstop limit plate, work as expansion
After bottom support plate is against on backstop limit plate, base expanding and base expanding support plate and fashioned iron column are substantially in an angle of 90 degrees, to significantly increase
The bearing capacity of fashioned iron column lower part makes it improve the bearing capacity to the wall of assembled underground continuous wall, to adapt to deeper base
Demand is gone along with sb. to guard him in hole, can so increase the construction depth of assembled underground continuous wall, enables assembled underground continuous wall
Adapt to the effect of going along with sb. to guard him of deeper foundation pit.
In the underground cement soil continuous wall of the fashioned iron column assembled underground continuous wall with high-bearing capacity of the present embodiment
It is inserted with assembled wall body construction, can so guarantee the intensity of canal formula cutting assembled underground continuous wall, in excavation pit,
The canal formula cutting assembled underground continuous wall that only needs to construct ensures that the earth-retaining ability and sealing ability of foundation pit enclosure,
It realizes the safe excavation of foundation pit, thus effectively shortens the construction period of foundation pit enclosure, reduce the occupied space of foundation pit enclosure.Together
When, the assembled wall body construction of this programme is made of several vertical reinforcement precast concretes, and two neighboring vertical reinforcement is mixed
It is connected between solidifying soil prefabricated component by joinery and its construction, can be prefabricated according to specification progress finished product due to being fabricated structure,
Assembly construction at the scene, the maintenance of the concrete without making steel reinforcement cage and pouring reinforcement concrete diaphragm wall, Ke Yijin
One step shortens the construction period.
And since the lower end of vertical reinforcement precast concrete is provided with fashioned iron column, it is formed under assembled wall body construction
Portion is fashioned iron column, alleviates the whole weight of assembled underground continuous wall and reduces operating expenses.
Claims (9)
1. a kind of fashioned iron column assembled underground continuous wall with high-bearing capacity, characterized in that include:
Underground cement soil continuous wall, underground cement soil continuous wall is for obstructing Groundwater formation foundation pit enclosure body;And
The assembled wall body construction being plugged in the cement soil continuous wall of underground,
Assembled wall body construction includes the vertical reinforcement that several length directions along underground cement soil continuous wall are arranged successively distribution
Precast concrete and the fashioned iron column of the one-to-one lower end that vertical reinforcement precast concrete is set, the vertical steel
Reinforced concrete prefabricated component is equipped with the prefabricated through-hole of the upper and lower end faces through vertical reinforcement precast concrete,
The fashioned iron column is equipped with air bag base expanding and base expanding device, and air bag base expanding and base expanding device includes base expanding and base expanding support plate, backstop limit plate, air bag
Bag and grouting pipe, the top of the base expanding and base expanding support plate are rotatably arranged on fashioned iron column lower part, the backstop by horizontal shaft
In fashioned iron column lower part, backstop limit plate is located above horizontal shaft for limiting base expanding and base expanding support plate around trunnion axis for limit plate setting
The rotational angle of bar rotation, the gasbag is arranged on fashioned iron column, and gasbag is located at base expanding and base expanding support plate and fashioned iron column
Between, the lower end of the grouting pipe is connected to the inner cavity of gasbag, and the upper end of grouting pipe up extends across corresponding
The prefabricated through-hole of assembled wall body construction.
2. the fashioned iron column assembled underground continuous wall according to claim 1 with high-bearing capacity, characterized in that described
Fashioned iron column is H profile steel, and the horizontal shaft, base expanding and base expanding support plate and backstop limit plate are respectively positioned between two flange plates of H profile steel,
The gasbag is located between the web and base expanding and base expanding support plate of H profile steel.
3. the fashioned iron column assembled underground continuous wall according to claim 2 with high-bearing capacity, characterized in that air bag
Base expanding and base expanding device further includes lower baffle plate, and lower baffle plate is located at the lower section of base expanding and base expanding support plate, lower baffle plate be located at H profile steel two flange plates it
Between, lower baffle plate is connected with the web of H profile steel and flange plate.
4. the fashioned iron column assembled underground continuous wall according to claim 3 with high-bearing capacity, characterized in that described
Elastic block piece is additionally provided on the upper surface of lower baffle plate, the lower edge of the base expanding and base expanding support plate is located at the abdomen of elastic block piece and H profile steel
Between plate.
5. with the fashioned iron column assembled underground continuous wall of high-bearing capacity, feature according to Claims 2 or 3 or 4
It is that the grouting pipe is located between two flange plates of H profile steel.
6. the fashioned iron column assembled underground continuous wall according to claim 1 or 2 or 3 or 4 with high-bearing capacity, special
Sign is to be connected between two neighboring vertical reinforcement precast concrete by joinery and its construction.
7. the fashioned iron column assembled underground continuous wall according to claim 6 with high-bearing capacity, characterized in that Tenon
Structure includes that the vertical tongue-and-groove being disposed therein on the side of a vertical reinforcement precast concrete and setting are perpendicular at another
The vertical tenon matched on the side of reinforced concrete precast member and with vertical tongue-and-groove, the upper end of vertical tongue-and-groove and vertical steel
The upper surface of reinforced concrete prefabricated component is connected, and the lower end of vertical tongue-and-groove is connected with the lower end surface of vertical reinforcement precast concrete
Logical, vertical tenon is matched with corresponding vertical tongue-and-groove.
8. the fashioned iron column assembled underground continuous wall according to claim 6 with high-bearing capacity, characterized in that same
In vertical reinforcement precast concrete: the one side of vertical reinforcement precast concrete is equipped with the vertical tongue-and-groove, vertically
The another side of reinforced concrete precast member is equipped with the vertical tenon, and vertical tongue-and-groove and vertical tenon are located at vertical steel
The opposite sides of reinforced concrete prefabricated component.
9. the fashioned iron column assembled underground continuous wall according to claim 1 or 2 or 3 or 4 with high-bearing capacity, special
Sign is that the grouting pipe is plastic tube or metal tube.
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CN201811052473.0A CN109083128B (en) | 2018-09-10 | 2018-09-10 | Profile steel upright assembled underground continuous wall with high bearing capacity |
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CN201811052473.0A CN109083128B (en) | 2018-09-10 | 2018-09-10 | Profile steel upright assembled underground continuous wall with high bearing capacity |
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CN110295526A (en) * | 2019-06-14 | 2019-10-01 | 广东工业大学 | One kind being used for assembled road marshy plate and its installation method |
CN111472348A (en) * | 2020-04-23 | 2020-07-31 | 浙江大学医学院附属妇产科医院 | Profile steel and concrete combined underground continuous wall structure and construction method thereof |
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---|---|---|---|---|
CN110295526A (en) * | 2019-06-14 | 2019-10-01 | 广东工业大学 | One kind being used for assembled road marshy plate and its installation method |
CN110295526B (en) * | 2019-06-14 | 2023-08-18 | 广东工业大学 | Assembled road board for marsh lands and installation method thereof |
CN111472348A (en) * | 2020-04-23 | 2020-07-31 | 浙江大学医学院附属妇产科医院 | Profile steel and concrete combined underground continuous wall structure and construction method thereof |
CN111472348B (en) * | 2020-04-23 | 2021-10-15 | 浙江大学医学院附属妇产科医院 | Profile steel and concrete combined underground continuous wall structure and construction method thereof |
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Denomination of invention: Fabricated diaphragm wall with section steel column with high bearing capacity Effective date of registration: 20211102 Granted publication date: 20200605 Pledgee: Hangzhou branch of Zhejiang Tailong Commercial Bank Co.,Ltd. Pledgor: ZHEJIANG JITONG GROUND CONSTRUCTION TECHNOLOGY Co.,Ltd. Registration number: Y2021330002139 |