CN107059880A - The ruggedized construction and its construction method of the concrete assembled shaped steel mixing support system of super-sized foundation pit - Google Patents
The ruggedized construction and its construction method of the concrete assembled shaped steel mixing support system of super-sized foundation pit Download PDFInfo
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- CN107059880A CN107059880A CN201710136892.1A CN201710136892A CN107059880A CN 107059880 A CN107059880 A CN 107059880A CN 201710136892 A CN201710136892 A CN 201710136892A CN 107059880 A CN107059880 A CN 107059880A
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- support
- bracing members
- support beam
- lattice column
- concrete
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0004—Synthetics
- E02D2300/0018—Cement used as binder
- E02D2300/002—Concrete
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2300/00—Materials
- E02D2300/0026—Metals
- E02D2300/0029—Steel; Iron
Abstract
The present invention relates to a kind of construction method of the ruggedized construction of the concrete assembled shaped steel mixing support system of super-sized foundation pit, this method includes：The support system of construction foundation pit and foundation ditch, support system includes concrete support and bracing members of the branch in foundation ditch；In Construction Support in the foundation ditch in the first lattice column of the concrete support bottom；In the second lattice column of the close bracing members of being constructed in the foundation ditch；The first support beam of bracing members described in support is fixedly connected with the both sides of the second lattice column；And sliding support is provided, it is fixedly clamped first support beam and the bracing members using the sliding support, and the bracing members can be slided along branch set direction.Ruggedized construction is used to reinforce support system, the vertical displacement for limiting bracing members is clamped by sliding support, bracing members can be slided along branch set direction, can discharge axial displacement, axial displacement is avoided to produce lateral force and displacement to the second lattice column, it is ensured that the vertical bearing stability of the second lattice column.
Description
Technical field
The present invention relates to pattern foundation pit supporting structure field in construction, a kind of super-sized foundation pit concrete-assembled shaped steel is refered in particular to
Mix the ruggedized construction and its construction method of support system.
Background technology
In foundation pit supporting system, large deep foundation pit shaped steel-Combined concrete support system has the base for adapting to complexity
Hole shape, the supporting suitable for large scale plane foundation ditch, support rigidity height, backing material reusable, construction period are short, generation
The advantage such as building waste is few.The connecting node of bracing members and lattice column or column in existing type steel support structure is generally adopted
Linked together with welding or bolt mode, the connected mode causes the accident of type steel support system more, and reason is due to base
Soil pressure can be produced to type steel support structure by cheating the soil body of periphery, i.e., the bracing members in foundation ditch are produced with the soil pressure of axial direction
Power, bracing members produce axial displacement in the presence of soil pressure, and then column or lattice column cause excessive additional displacement, make
Obtain column or lattice column is destroyed, so as to trigger potential safety hazard.In addition, in type steel support structure, the support system hair of lattice column
Change has been given birth to, its capacity under axial is significantly reduced, the reinforcing of the lattice column under the construction bridge of heavy-duty vehicle is particularly run
Structure needs to pay close attention to.
The content of the invention
It is an object of the invention to the defect for overcoming prior art, there is provided a kind of super-sized foundation pit concrete-assembled type
Steel reinforced concrete closes the ruggedized construction and its construction method of support system, solves due to bracing members with lattice column using welding or bolt connection
Mode causes excessive additional displacement to lattice column caused by can not discharging axial displacement of the bracing members under soil pressure effect,
And then destroy the problem of lattice column triggers potential safety hazard.
Realizing the technical scheme of above-mentioned purpose is：
The invention provides a kind of applying for the ruggedized construction of super-sized foundation pit concrete-assembled shaped steel mixing support system
Work method, comprises the following steps：
The support system of construction foundation pit and foundation ditch, shown support system includes concrete support and steel of the branch in foundation ditch
Support；
In Construction Support in the foundation ditch in the first lattice column of the concrete support bottom；
In the second lattice column of the close bracing members of being constructed in the foundation ditch；
The first support beam of bracing members described in support is fixedly connected with the both sides of second lattice column；And
Sliding support is provided, is fixedly clamped first support beam and the bracing members, and institute using the sliding support
Stating bracing members can slide in the branch set direction on the sliding support along the bracing members.
The support system of foundation ditch is used for the deformation for controlling foundation ditch, and the ruggedized construction that the present invention is provided is used to reinforce supporter
System, improves the stability of foundation ditch.Set the first lattice column and the second lattice column to transmit the vertical load of support system, be supporter
System provides strong support.Bracing members and the first support are clamped using the first support beam support bracing members, and by sliding support
Beam, limits the vertical displacement of bracing members, and bracing members can be slided along branch set direction, can discharge bracing members because by foundation ditch side
To soil pressure and the axial displacement that produces, it is to avoid axial displacement produces lateral force and displacement to the second lattice column, it is ensured that
The vertical bearing stability of second lattice column, effectively protects the structure safety and stability of the second lattice column.The vertical lotus of bracing members
Load is delivered to the second lattice column by the support beam of its underpart, forms stability under loading, solid and reliable attachment structure.
The construction method of the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system is entered
One step, which is improved, to be, in addition to：
First support beam is fixedly connected with other second lattice columns in its setting direction；
Second support beam is provided, second support beam is fixedly connected on second lattice column relative to connection institute
The other both sides of the both sides of the first support beam are stated, by other second lattices in second support beam and its setting direction
Post is fixedly connected.
The construction method of the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system is entered
One step, which is improved, to be, in addition to：
Bracket is provided, the bracket is installed in the junction of first support beam and second lattice column and described
The junction of second support beam and second lattice column.
The construction method of the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system is entered
One step, which is improved, to be, the sliding support includes clamp assemblies, the first glide lamella and the second glide lamella；Branch is slided using described
Seat is fixedly clamped first support beam and the bracing members include：
The clamp assemblies are held on to the top of the bracing members and the bottom of first support beam, pass through the folder
Hold component and clamp the bracing members and first support beam；
The first glide lamella pad is located between the top of the clamp assemblies and the bracing members；
Between the top that the second glide lamella pad is located to the bottom of the bracing members and first support beam.
The construction method of the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system is entered
One step, which is improved, to be, the sliding support also includes locating part；
The locating part is fixedly arranged in first support beam and positioned at the both sides of the bracing members, so that by described
The lateral displacement of the spacing bracing members of locating part.
Present invention also offers a kind of ruggedized construction of super-sized foundation pit concrete-assembled shaped steel mixing support system,
Foundation ditch support system includes concrete support and bracing members of the branch in foundation ditch, and the ruggedized construction includes：
The first lattice column of the concrete support bottom is supported in, first lattice column is erected in the foundation ditch；
The second lattice column for being erected in the foundation ditch and being set close to the bracing members；
It is fixed on the both sides of second lattice column, the first support beam for bracing members described in support；And
Be fixedly clamped the sliding supports of first support beam and the bracing members, and the bracing members can slide branch in described
Slided on seat along the branch set direction of the bracing members.
The further improvement of the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system exists
In, in addition to the second support beam, second support beam is fixedly connected on second lattice column relative to connecting described the
The other both sides of the both sides of one support beam, second support beam is fixed with other second lattice columns in its setting direction to be connected
Connect；First support beam is fixedly connected with other second lattice columns in its setting direction.
The further improvement of the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system exists
In in addition to bracket, the bracket is installed in first support beam and the junction of second lattice column and described second
The junction of support beam and second lattice column.
The further improvement of the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system exists
In the sliding support includes clamp assemblies, the first glide lamella and the second glide lamella；
The clamp assemblies are held on the top of the bracing members and the bottom of first support beam, pass through the clamping
Component clamps the bracing members and first support beam；
The first glide lamella pad is located between the top of the clamp assemblies and the bracing members；
The second glide lamella pad is located between the top of the bottom of the bracing members and first support beam.
The further improvement of the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system exists
In the sliding support also includes locating part；The locating part is fixedly arranged in first support beam and positioned at the bracing members
Both sides, so as to pass through the lateral displacement of the spacing bracing members of the locating part.
Brief description of the drawings
Fig. 1 shows for the structure of the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system
It is intended to.
Fig. 2 is Fig. 1 interior joints C enlarged diagram.
The sectional view that Fig. 3 is A-A in Fig. 2.
Fig. 4 is Fig. 1 interior joints D enlarged diagram.
The sectional view that Fig. 5 is B-B in Fig. 4.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Refering to Fig. 1, the invention provides a kind of reinforcing of super-sized foundation pit concrete-assembled shaped steel mixing support system
Structure and its construction method, for steel-concrete combined support system, existed concrete bridge support has bracing members again.Traditional
In support system, vertical load the and vertically arranged lattice column for transmitting support system, it is used with concrete support
Pour and build up rigid joint, operative constraint lattice column improves its stability bearing capacity；And between lattice column and bracing members using welding or
When bolt mode is connected, it is impossible to discharge the axial displacement that soil pressure is produced to bracing members, and then cause excessive attached to lattice column
Plus displacement, destroy it.The ruggedized construction of the present invention supports bracing members using the first support beam, and bracing members are in lattice intercolumniation without solid
Fixed connection, uses sliding support to provide sliding function for bracing members, is acted on discharging the bracing members by foundation ditch soil lateral pressure
The axial displacement of generation, it is to avoid produce lateral force and displacement to lattice column, the vertical carrying that will not reduce lattice column is stable
Property, plays the role of very big to the stress safety and stability of foundation pit steel support.Using the first support beam and the second support beam to lattice column
Thick pillar structure is formed, adjacent lattice column drawknot is integral, the double-deformation of lattice column is constrained, the stabilization for improving lattice column is held
Power is carried, vertical load is effectively transmitted, the reinforcement means for the lattice column being in type steel support structure under construction bridge is can solve the problem that
The problem of.Below in conjunction with the accompanying drawings to the ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system
And its construction method is illustrated.
As shown in figure 1, the reinforcing knot for super-sized foundation pit concrete-assembled shaped steel mixing support system that the present invention is provided
Structure is used to reinforce support system 22, and the support system 22 of the foundation ditch includes concrete support of the branch in foundation ditch 11
221 and bracing members 222, with reference to shown in Fig. 4, ruggedized construction of the invention includes the first lattice column 31, the second lattice column 32, first
Support beam 33, the second support beam 34 and sliding support 35, the first lattice column 31 are supported in the bottom of concrete support 221, the
One lattice column 31 is erected in foundation ditch 11, the vertical load for transmitting concrete support 221, first lattice column 31 and coagulation
The connecting node of soil support 221 uses the rigid joint of concreting, and the concrete support of both direction can operative constraint the
One lattice column, improves its stability bearing capacity；Second lattice column 32 is erected in foundation ditch 11 and set close to bracing members 222；With reference to
Shown in Fig. 2, the both sides that the first support beam 33 is fixed on the second lattice column 32 are used for support bracing members 222, the first support beam 33 with
Bracing members 222 are perpendicular to be set, and the second lattice column 32 has four sides, is first side 321, second side 322, the respectively
Three sides 323 and the 4th side 324, first support beam 33 is located at the 3rd side 323 and the 4th side 324.Sliding support
35 are fixedly clamped the first support beam 33 and bracing members 222, are clamped the first support beam 33 and bracing members 222 by sliding support 35
Fixed, the bracing members 222 can be slided along the branch set direction of bracing members 222 on sliding support 35.Caused by the sliding function
Bracing members 222 can discharge axial displacement, and bracing members 222 are not connected to the second lattice column 32, will not transmit axial displacement
To the second lattice column 32, it is to avoid the influence to the stability of the second lattice column 32.Bracing members 222 are supported by the first support beam 33,
The vertical displacement of bracing members can be limited, lateral force and displacement is not produced to the second lattice column, the second lattice column is not reduced
Vertical bearing stability.The vertical load of bracing members is passed through it with being fixedly connected for the second lattice column using the first support beam
First support beam of bottom is delivered to the second lattice column, and the sliding support is realized and forms two sets of autonomous workings, assists mutually
Horizontally and vertically support system, play the role of to the stress safety and stability of foundation ditch support system very big.
As depicted in figs. 1 and 2, as the better embodiment of the present invention, the ruggedized construction also includes the second support beam
34, the second support beam 34 is fixedly connected on other two relative to the both sides for connecting the first support beam 33 on the second lattice column 32
Side, i.e. the second support beam 34 are fixedly connected on the first side 321 and second side 322 of the second lattice column 32.Such second
Four sides that the support beam 33 of beam 34 and first is located at the second lattice column 32 are supportted, are formd on the second lattice column 32 by second
The thick pillar structure that the support beam 33 of beam 34 and first is constituted is supportted, such thick pillar structure can constrain the two-way change of the second lattice column
Shape, improves its stability bearing capacity, effectively the vertical load of transmission support system.It is preferred that the second support beam 34 and its side of setting
Other upward second lattice columns 32 are fixedly connected, i.e. the second support beam 34 and multiple second lattices in its setting direction
Post 32 is fixedly connected, and multiple drawknots of second lattice column 32 are fixed and are connected, and forms overall stress system, it is therefore prevented that second
The deformation of lattice column.First support beam 33 is fixed this with other second lattice columns 32 in its setting direction and linked, i.e., and first
Support beam 33 is fixed this with multiple second lattice columns 32 in its setting direction and linked, by multiple drawknots of second lattice column 32
Fixation is connected, and forms overall stress system, it is therefore prevented that the deformation of the second lattice column.
As shown in Figure 1 to Figure 3, as another better embodiment of the present invention, ruggedized construction also includes bracket 36, bracket
36 are installed in junction and the connection of the second support beam 34 and the second lattice column 32 of the first support beam 33 and the second lattice column 32
Place, installs the first support beam 33 and the second support beam 34 using bracket 36, and bracket 36 is fixed on the second lattice column 32 as the
One support beam 33 and the second support beam 34 provide installation site, and bracket 36 is arranged on the first support beam 33 and the second support beam 34
Both sides up and down, sandwiched fixes a support beam 33 and the second support beam 34.
As shown in Figure 1, Figure 4 and Figure 5, as the another better embodiment of the present invention, sliding support 35 includes clamping group
Part 351, the first glide lamella 352 and the second glide lamella 353, clamp assemblies 351 be clamped in bracing members 222 top and first
The bottom of beam 33 is supportted, the support beam 33 of bracing members 222 and first is clamped by clamp assemblies 351；First glide lamella 352 pad is located at folder
Between the top for holding component 351 and bracing members 222；Second glide lamella 353 pads bottom and the first support beam for being located at bracing members 222
Between 33 top.By setting the first glide lamella 352 and the second glide lamella 353, it can be provided for bracing members 222 along its setting
The function that direction is slided, to discharge the axial displacement of bracing members 222.
As another better embodiment of the present invention, sliding support 35 also includes finite place piece 354, the locating part 354
It is fixedly arranged in the first support beam 33 and positioned at the both sides of bracing members 222, locating part 354 is used for the lateral displacement for limiting bracing members 222,
Bracing members 222 are clamped using two locating parts 354 being installed in the first support beam 33, two locating parts 354 are arranged in
The both sides of the bottom wing listrium of bracing members, prevent the lateral displacement of bracing members 222.It is preferred that the locating part 354 is L-type component, bag
The first limiting plate and the second limiting plate being mutually connected vertically are included, first limiting plate is installed in the first support beam 33, second
Limiting plate is resisted against the side of the bottom wing listrium of bracing members 222.The locating part 354 is preferred to use angle steel.
As shown in Figure 4 and Figure 5, as yet another better embodiment of the present invention, clamp assemblies 351 include being placed in steel branch
Support the first holder 3511 at the top of 222, be placed in the second holder 3512 of the bottom of the first support beam 33 and through the first folder
Gripping member 3511 and second holder 3512 is fastenedly connected bar 3513, and this is fastenedly connected the both sides that bar 3513 is located at bracing members 222,
The first holder 3511 and the second holder 3512 are fastenedly connected by being fastenedly connected bar 3513 so that the He of the first holder 3511
Second holder 3512 clamps the support beam 33 of bracing members 222 and first, limits the vertical displacement of bracing members 222.It is used as this hair
Bright better embodiment another again, the first holder 3511 and the second holder 3512 are obliquely set, i.e., with first
It is in an angle to support beam 33 intersecting, is fastenedly connected the both sides that bar 3513 is located at support beam 213.First holder 3511 and the second clamping
Part 3512 uses angle steel, is fastenedly connected bar 3513 and uses stay bolt.
First glide lamella 212 and the second glide lamella 213 are preferably film-form.The axial displacement of bracing members can be discharged, again
The vertical clamping connection of bracing members is not interfered with.
The ruggedized construction of super-sized foundation pit concrete of the present invention-assembled shaped steel mixing support system has the beneficial effect that：
Foundation pit steel support and lattice column are connected using sliding support, sliding support is by stay bolt, angle steel and sliding film
Composition, the axial displacement of releasable bracing members, and limit the vertical displacement of bracing members.Bracing members are shelved on two supports of bottom
Liang Shang, support beam is connected with lattice column by welding manner.In order to reduce the lateral computational length of bracing members, under bracing members
Edge of a wing both sides are respectively arranged locating part, limit the lateral displacement of bracing members.Bracing members are acted on by foundation ditch soil lateral pressure and produced
During axial displacement, its axial displacement can be discharged by this sliding support, and does not produce lateral force and displacement to lattice column,
The vertical bearing stability of lattice column is not reduced, that is, passes through the sliding support so that two sets of independences of foundation pit steel support System forming
Work, the horizontally and vertically support system assisted mutually, play the role of very big to the stress safety and stability of foundation pit steel support system.
The vertical load of bracing members is delivered to lattice column by the support beam of its underpart.
Form two-way Two bors d's oeuveres rod member to constrain lattice column using the first support beam and the second support beam, lattice column can be constrained
Double-deformation, improve its bearing capacity and stability, effectively transmission support system load, it is ensured that the stabilization of foundation ditch supporting construction
Property, effectively control foundation pit deformation.
The ruggedized construction of the super-sized foundation pit concrete-assembled shaped steel mixing support system provided below the present invention
Construction method is illustrated.
The construction party of the ruggedized construction of the super-sized foundation pit concrete that the present invention is provided-assembled shaped steel mixing support system
Method, comprises the following steps：
As shown in figure 1, the support system 22 of construction foundation pit 11 and foundation ditch 11, support system 22 includes branch in foundation ditch 11
Concrete support 221 and bracing members 222；
In Construction Support in foundation ditch 11 in the first lattice column 31 of the bottom of concrete support 221；
In second lattice column 32 of the construction close to bracing members 222 in foundation ditch 11；
With reference to shown in Fig. 2, the first support beam 33 of support bracing members 222 is fixedly connected with the both sides of the second lattice column 32；
And
There is provided sliding support 35 with reference to shown in Fig. 4, it is fixedly clamped the first support beam 33 and bracing members using sliding support 35
222, and bracing members 222 can be in the branch set direction slip on sliding support 35 along bracing members 222.
Construct the first lattice column 31 when, the first lattice column 31 is erected in foundation ditch 11, for transmitting concrete support 221
Vertical load, the connecting node of first lattice column 31 and concrete support 221 uses the rigid joint of concreting, two
The concrete support in individual direction can the lattice column of operative constraint first, improve its stability bearing capacity.Second lattice column 32 is erected on base
Set in hole 11 and close to bracing members 222；With reference to shown in Fig. 2, the both sides that the first support beam 33 is fixed on the second lattice column 32 are used
In support bracing members 222, the first support beam 33 has four sides with the perpendicular setting of bracing members 222, the second lattice column 32, point
It is not first side 321, the side 324 of the side of second side the 322, the 3rd 323 and the 4th, first support beam 33 is located at the 3rd
Sideways 323 and the 4th side 324.
The support system of foundation ditch is used for the deformation for controlling foundation ditch, and the ruggedized construction that the present invention is provided is used to reinforce supporter
System, improves the stability of foundation ditch.Set the first lattice column and the second lattice column to transmit the vertical load of support system, be supporter
System provides strong support.The sliding function provided by sliding support enables bracing members 222 to discharge axial displacement, and
Bracing members 222 are not connected to the second lattice column 32, axial displacement will not be passed to the second lattice column 32, it is to avoid to the second lattice
The influence of the stability of post 32.Bracing members 222 are supported by the first support beam 33, the vertical displacement of bracing members can be limited, it is not right
Second lattice column produces lateral force and displacement, and the vertical bearing stability of the second lattice column is not reduced.Utilize the first support
Being fixedly connected the vertical load of bracing members for beam and the second lattice column is delivered to the second lattice by first support beam of its underpart
Structure post, the horizontally and vertically support system that the sliding support is realized and forms two sets of autonomous workings, assists mutually, to foundation ditch branch
The stress safety and stability of support body system plays the role of very big.
As a better embodiment of construction method of the present invention, in addition to：
As depicted in figs. 1 and 2, by the first support beam 33 and other companies of fixation of second lattice column 32 in its setting direction
Connect；First support beam 33 is fixed this with multiple second lattice columns 32 in its setting direction and linked, by multiple second lattices
The drawknot of post 32 is fixed and is connected, and forms overall stress system, it is therefore prevented that the deformation of the second lattice column.Second support beam is provided
34, by the second support beam 34 be fixedly connected on the second lattice column 32 relative to the first support beam 33 of connection both sides it is other
Both sides, the second support beam 34 is fixedly connected with other second lattice columns 32 in its setting direction.That is the second support beam 34
It is fixedly connected on the first side 321 and second side 322 of the second lattice column 32.Such support beam of second support beam 34 and first
33 are located at four sides of the second lattice column 32, in being formd on the second lattice column 32 by the second support beam 34 and the first support beam
The thick pillar structure of 33 compositions, such thick pillar structure can constrain the double-deformation of the second lattice column, improve its stability bearing capacity,
Effectively transmit the vertical load of support system.It is preferred that the second support beam 34 and multiple second lattice in its setting direction
Structure post 32 is fixedly connected, and multiple drawknots of second lattice column 32 are fixed and are connected, and forms overall stress system, it is therefore prevented that the
The deformation of two lattice columns.
As another better embodiment of construction method of the present invention, as shown in figures 1 and 3, in addition to：Bracket is provided
36, bracket 36 is installed in junction and the second support beam 34 and the second lattice column of the first support beam 33 and the second lattice column 32
32 junction.First support beam 33 and the second support beam 34 are installed using bracket 36, bracket 36 is fixed on the second lattice column
It is that the first support beam 33 and the second support beam 34 provide installation site on 32, and bracket 36 is arranged on the first support beam 33 and second
Support beam both sides about 34, sandwiched fixes a support beam 33 and the second support beam 34.
As the another better embodiment of construction method of the present invention, as shown in Figure 4 and Figure 5, sliding support 35 includes folder
Hold component 351, the first glide lamella 352 and the second glide lamella 353；It is fixedly clamped the He of the first support beam 33 using sliding support 35
Bracing members 222 include：
Clamp assemblies 351 are held on to the top of bracing members 222 and the bottom of the first support beam 33, pass through clamp assemblies
351 clamp bracing members and the first support beam；First glide lamella 352 pad is located between clamp assemblies and the top of bracing members；Will
Second glide lamella 353 pad is located between the top of the bottom of bracing members and the first support beam.By setting the He of the first glide lamella 352
Second glide lamella 353, can provide the function of being slided along its setting direction, to discharge the axial direction of bracing members 222 for bracing members 222
Displacement.
As another better embodiment of construction method of the present invention, sliding support 35 also includes locating part 354；Will be spacing
Part is fixedly arranged in the first support beam and positioned at the both sides of bracing members, so as to pass through the lateral displacement of the spacing bracing members of locating part.Limit
Position part 354 is used for the lateral displacement for limiting bracing members 222, that is, utilizes two locating parts 354 being installed in the first support beam 33
Bracing members 222 are clamped, two locating parts 354 are arranged in the both sides of the bottom wing listrium of bracing members, the lateral of bracing members 222 is prevented
Displacement.It is preferred that the locating part 354 is L-type component, including the first limiting plate and the second limiting plate being mutually connected vertically, should
First limiting plate is installed in the first support beam 33, and the second limiting plate is resisted against the side of the bottom wing listrium of bracing members 222.The limit
Position part 354 is preferred to use angle steel.
As shown in Figure 4 and Figure 5, as yet another better embodiment of the present invention, clamp assemblies 351 include being placed in steel branch
Support the first holder 3511 at the top of 222, be placed in the second holder 3512 of the bottom of the first support beam 33 and through the first folder
Gripping member 3511 and second holder 3512 is fastenedly connected bar 3513, and this is fastenedly connected the both sides that bar 3513 is located at bracing members 222,
The first holder 3511 and the second holder 3512 are fastenedly connected by being fastenedly connected bar 3513 so that the He of the first holder 3511
Second holder 3512 clamps the support beam 33 of bracing members 222 and first, limits the vertical displacement of bracing members 222.It is used as this hair
Bright better embodiment another again, the first holder 3511 and the second holder 3512 are obliquely set, i.e., with first
It is in an angle to support beam 33 intersecting, is fastenedly connected the both sides that bar 3513 is located at support beam 213.First holder 3511 and the second clamping
Part 3512 uses angle steel, is fastenedly connected bar 3513 and uses stay bolt.First glide lamella 212 and the second glide lamella 213 are preferably thin
It is membranaceous.The axial displacement of bracing members can be discharged, the vertical clamping connection of bracing members is not interfered with again.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State it is bright the present invention is made many variations example.Thus, some of embodiment details should not constitute limitation of the invention, this
Invention regard the scope defined using appended claims as protection scope of the present invention.
Claims (10)
1. a kind of construction method of the ruggedized construction of super-sized foundation pit concrete-assembled shaped steel mixing support system, its feature
It is, comprises the following steps：
The support system of construction foundation pit and foundation ditch, the support system includes concrete support and steel branch of the branch in foundation ditch
Support；
In Construction Support in the foundation ditch in the first lattice column of the concrete support bottom；
In the second lattice column of the close bracing members of being constructed in the foundation ditch；
The first support beam of bracing members described in support is fixedly connected with the both sides of second lattice column；And
Sliding support is provided, is fixedly clamped first support beam and the bracing members, and the steel using the sliding support
Support can be slided in the branch set direction on the sliding support along the bracing members.
2. the ruggedized construction of super-sized foundation pit concrete as claimed in claim 1-assembled shaped steel mixing support system is applied
Work method, it is characterised in that also include：
First support beam is fixedly connected with other second lattice columns in its setting direction；
Second support beam is provided, second support beam is fixedly connected on second lattice column relative to connecting described the
The other both sides of the both sides of one support beam, second support beam is consolidated with other second lattice columns in its setting direction
Fixed connection.
3. the ruggedized construction of super-sized foundation pit concrete as claimed in claim 2-assembled shaped steel mixing support system is applied
Work method, it is characterised in that also include：
Bracket is provided, the bracket is installed in first support beam and the junction of second lattice column and described second
The junction of support beam and second lattice column.
4. the ruggedized construction of super-sized foundation pit concrete as claimed in claim 1-assembled shaped steel mixing support system is applied
Work method, it is characterised in that the sliding support includes clamp assemblies, the first glide lamella and the second glide lamella；Using described
Sliding support is fixedly clamped first support beam and the bracing members include：
The clamp assemblies are held on to the top of the bracing members and the bottom of first support beam, pass through the clamping group
Part clamps the bracing members and first support beam；
The first glide lamella pad is located between the top of the clamp assemblies and the bracing members；
Between the top that the second glide lamella pad is located to the bottom of the bracing members and first support beam.
5. the ruggedized construction of super-sized foundation pit concrete as claimed in claim 4-assembled shaped steel mixing support system is applied
Work method, it is characterised in that the sliding support also includes locating part；
The locating part is fixedly arranged in first support beam and positioned at the both sides of the bracing members, so that by described spacing
The lateral displacement of the spacing bracing members of part.
6. a kind of ruggedized construction of super-sized foundation pit concrete-assembled shaped steel mixing support system, the support system includes branch
Concrete support and bracing members in foundation ditch, it is characterised in that the ruggedized construction includes：
The first lattice column of the concrete support bottom is supported in, first lattice column is erected in the foundation ditch；
The second lattice column for being erected in the foundation ditch and being set close to the bracing members；
It is fixed on the both sides of second lattice column, the first support beam for bracing members described in support；And
Be fixedly clamped the sliding supports of first support beam and the bracing members, and the bracing members can be on the sliding support
Slided along the branch set direction of the bracing members.
7. the ruggedized construction of super-sized foundation pit concrete as claimed in claim 6-assembled shaped steel mixing support system, it is special
Levy and be, in addition to the second support beam, second support beam is fixedly connected on second lattice column relative to connection institute
The other both sides of the both sides of the first support beam are stated, second support beam is consolidated with other second lattice columns in its setting direction
Fixed connection；First support beam is fixedly connected with other second lattice columns in its setting direction.
8. the ruggedized construction of super-sized foundation pit concrete as claimed in claim 7-assembled shaped steel mixing support system, it is special
Levy and be, in addition to bracket, the bracket is installed in the junction of first support beam and second lattice column and described
The junction of second support beam and second lattice column.
9. the ruggedized construction of super-sized foundation pit concrete as claimed in claim 6-assembled shaped steel mixing support system, it is special
Levy and be, the sliding support includes clamp assemblies, the first glide lamella and the second glide lamella；
The clamp assemblies are held on the top of the bracing members and the bottom of first support beam, pass through the clamp assemblies
Clamp the bracing members and first support beam；
The first glide lamella pad is located between the top of the clamp assemblies and the bracing members；
The second glide lamella pad is located between the top of the bottom of the bracing members and first support beam.
10. the ruggedized construction of super-sized foundation pit concrete as claimed in claim 9-assembled shaped steel mixing support system, its
It is characterised by, the sliding support also includes locating part；The locating part is fixedly arranged in first support beam and positioned at described
The both sides of bracing members, so as to pass through the lateral displacement of the spacing bracing members of the locating part.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136892.1A CN107059880B (en) | 2017-03-09 | 2017-03-09 | Reinforcing structure of concrete-fabricated section steel mixed support system of ultra-large deep foundation pit and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710136892.1A CN107059880B (en) | 2017-03-09 | 2017-03-09 | Reinforcing structure of concrete-fabricated section steel mixed support system of ultra-large deep foundation pit and construction method thereof |
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| CN107059880A true CN107059880A (en) | 2017-08-18 |
| CN107059880B CN107059880B (en) | 2020-08-04 |
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| CN107558665A (en) * | 2017-10-07 | 2018-01-09 | 吕琳 | A kind of novel ultralong lattice column |
| CN107842027A (en) * | 2017-12-08 | 2018-03-27 | 江苏东合南岩土科技股份有限公司 | A kind of foundation ditch combined type type steel support beam and its method of construction |
| CN108425365A (en) * | 2018-05-16 | 2018-08-21 | 中国建筑第八工程局有限公司 | Displacement adjustment device and its construction method for H profile steel support |
| CN114197486A (en) * | 2021-12-23 | 2022-03-18 | 江苏雷威建设工程有限公司 | Deep basal pit assembled shaped steel bearing structure |
| CN115492122A (en) * | 2022-09-23 | 2022-12-20 | 中冶华天南京工程技术有限公司 | Fabricated lateral force resisting bracket for deep foundation pit section steel support and construction method |
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| CN115492122A (en) * | 2022-09-23 | 2022-12-20 | 中冶华天南京工程技术有限公司 | Fabricated lateral force resisting bracket for deep foundation pit section steel support and construction method |
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| CN107059880B (en) | 2020-08-04 |
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