CN109371984A

CN109371984A - A kind of bracing of deep foundation pit and its construction technology that pin-connected panel is recyclable

Info

Publication number: CN109371984A
Application number: CN201811566150.3A
Authority: CN
Inventors: 王维玉; 高幸; 刘兰豹; 李仕良; 赵拓; 王红
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-21
Filing date: 2018-12-21
Publication date: 2019-02-22
Anticipated expiration: 2038-12-21
Also published as: CN109371984B

Abstract

A kind of bracing of deep foundation pit and its construction technology that pin-connected panel is recyclable, support system have assembled frame, multiple planks, multiple backing plates, multiple anchor heads, anchor pole and anchor cable one such, and the quantity of anchor pole and anchor cable is all multiple.Assembled frame is made of multiple standard card cage units, multiple frame units, multiple angle framework units, and each standard card cage unit, each frame unit, each angle framework unit are fixed on foundation pit side-wall by each anchor pole or each anchor cable by the anchor head on the outside of the anchor pole connecting hole or anchor cable connecting hole and backing plate on backing plate.The present invention also provides construction technologies.The present invention utilizes the assembling combination of fashioned iron and plank, has achieved the purpose that soil body of deep foundation pit supporting, and assembled process is green and pollution-free, and convenient and efficient, saves the duration；Assembling members are simple, cheap, and material can reuse, and effectively reduce project cost, are conducive to protect environment, solve the expendable defect problem of material in existing bracing of deep foundation pit.

Description

A kind of bracing of deep foundation pit and its construction technology that pin-connected panel is recyclable

Technical field

The present invention relates to a kind of foundation pit support system, the recyclable bracing of deep foundation pit of specifically a kind of pin-connected panel, this Invention further relates to the construction technology of the recyclable bracing of deep foundation pit of the pin-connected panel.

Background technique

With the rapid development of social economy, building the more is built the more high, and corresponding dug foundation pit is also deeper and deeper, at this moment foundation pit branch Shield is inevitable.Traditional pattern foundation pit supporting structure form has soil nailing, piled anchor, double-row pile, ground-connecting-wall etc., these traditional support forms exist Following deficiency: 1, in the injection of concrete or mortar and casting process, can splash or overflow, and pollute construction site.2, concrete Or it after the completion of mortar is sprayed, poured, is conserved, virtually increases the construction period.3, base pit engineering is as interim Property engineering causes the significant wastage of material using permanent method for protecting support.

Inventor retrieves following Patents documents: CN104532856A discloses a kind of assembly for pattern foundation pit supporting structure Formula lattice unit and installation method, including the lattice unit that several are connected by connection structure, during the lattice unit includes Studding and the beam being located on intermediolateral column surrounding side, the beam are evenly distributed, and intermediolateral column is equipped with anchor cable hole, and passes through anchor cable Hole connects the Anchor Cable Anchorage on foundation pit, is attached between two lattice units by the connection structure in beam end.Institute It states connection structure to be made of the fixing bolt and connecting plate for being located at beam end, has on connecting plate and lead to what fixing bolt matched Hole.CN106978814A discloses a kind of Fabricated Structure for Support of Excavation, by prefabricated steel reinforced concrete stake and prefabricated box component assembly At, which is characterized in that each prefabricated components are assembled by transverse joint and vertical connector, pass through screw bolt reinforcing, assembly after assembled Antiseepage grouting hole is reserved to prefabricated components joint afterwards and carries out compaction grouting, meanwhile, by antiseepage grouting hole reserved in wall Wall bottom compaction grouting is carried out to be full of the contact gap at wall bottom, to form while have overall structure rigidity and anti-permeability performance Whole foundation pit supporting construction.CN107090834A discloses a kind of construction method of Fabricated Structure for Support of Excavation, main to use Prefabricated steel reinforced concrete stake and prefabricated box-type member, prefabricated box-type member includes at least one standard film, in the horizontal and vertical of standard film Trapezoidal tenon and trapezoid tongue groove has been arranged in a staggered manner in joint；Prefabricated steel reinforced concrete stake includes front, rear portion and pile crown, the two sides of front Trapezoidal tenon and trapezoid tongue groove, the tenon and tongue-and-groove size phase interworking of prefabricated steel reinforced concrete stake and prefabricated box-type member has been arranged in a staggered manner It closes；The close forward position at rear portion is provided with the Kato to support the prefabricated box-type member for being located at adjacent position, it is entire to prop up After the completion of protection structure is assembled, compaction grouting is carried out at the finally antiseepage grouting hole of installation standard film, keeps slurries from bottom to top right The antiseepage grouting hole that standard film and pile body are formed, which is filled, to be filled.Antiseepage grouting hole path to be seen to top layer standard film overflows Stop slip casting when slurries out.

How the above technology is for make bracing of deep foundation pit pass through the assembled mesh that can reach soil body of deep foundation pit supporting , assembled process is green and pollution-free, and convenient and efficient, saves the duration, and assembling members are simple, cheap, and material can repeat It utilizes, does not provide specific guidance program.

Summary of the invention

The technical problem to be solved by the invention is to provide the bracing of deep foundation pit that a kind of pin-connected panel can be recycled, it is logical Soil body of deep foundation pit supporting can be achieved the purpose that by crossing assembly, and assembled process is green and pollution-free, and convenient and efficient, save the duration； Assembling members are simple, cheap, and material can reuse, and effectively reduce project cost, are conducive to protect environment, existing to solve There is the expendable defect problem of material in bracing of deep foundation pit.

For this purpose, another technical problem to be solved by this invention is to provide a kind of deep pit support that pin-connected panel is recyclable The construction technology of protecting system.

In order to solve the above technical problems, technical scheme is as follows:

A kind of recyclable bracing of deep foundation pit of pin-connected panel (or perhaps the deep foundation pit support dress that pin-connected panel is recyclable Set), its technical solution is that it have assembled frame, with the matching used multiple planks of assembled frame, multiple backing plates (anchor pole or Multiple backing plates of anchor cable), multiple anchor heads, anchor pole and anchor cable it is one such, the quantity of the anchor pole and anchor cable is all multiple.

The assembled frame is made of multiple standard card cage units, multiple frame units, multiple angle framework units, often A standard card cage unit all have it is with groove in longitudinally disposed first fashioned iron of a pair, it is with groove in being laterally arranged A pair of of the left side segment type steel being located on the left of a pair of first fashioned iron, it is with groove in be laterally arranged to be located at a pair of first fashioned iron right A pair of of right side segment type steel, the multiple fashioned iron first of side connect rib (fashioned iron connects rib and also referred to as connects rib, which is fashioned iron, Also may be referred to fashioned iron connector), four hooks and four connection fasteners, eight mouths of consulting, a pair of of left side segment type steel, a pair of of right side (1) first fashioned iron welding of segment type steel respectively corresponding thereto, between two the first fashioned iron, two left side segment type steel it Between, be all welded with multiple fashioned iron first between two right side segment type steel and connect ribs, a pair of first fashioned iron and a pair of of left side segment type steel, A pair of of right side segment type steel is in the cross-shaped structure to connect and constitutes four rectangular area R₁, in the corresponding position of the connecting position First hole of (process) is passed through between two the first fashioned iron with anchor pole or anchor cable, is located at the one of right side in a pair of first fashioned iron A hook and a connection fastener, a pair first are separately installed on the upper end leading flank and lower end leading flank of a first fashioned iron A connection fastener is separately installed on the upper end leading flank and lower end leading flank of first fashioned iron in left side in fashioned iron It is linked up with one, the left end leading flank of a left side segment type steel located above, a pair of of right side segment type in a pair of of left side segment type steel It is separately installed with a hook, a connection fastener in steel on the right end leading flank of a right side located above segment type steel, one To what is be located below in the left end leading flank of be located below in the segment type steel of left side one left side segment type steel, a pair of of right side segment type steel Be separately installed with a connection fastener, a hook on the right end leading flank of one right side segment type steel, each first fashioned iron it is outer Side head, the outside end of each left side segment type steel, each right side segment type steel outside end all there is one described in consult mouth, often The mouth of consulting of the left end of a left side segment type steel, the mouth of consulting of the upper end of each first fashioned iron are all in that convex-concave is alternately inserted Slot structure, the mouth of consulting of the right end of each right side segment type steel, the mouth of consulting of the lower end of each first fashioned iron are all in recessed Convex alternate inserting slot construction, four rectangular area R₁In the groove of the left-hand end of each of corresponding first fashioned iron and right side In the groove at end, in the upper recess of each left side segment type steel and in the groove of lower end, in the upper recess of each right side segment type steel There is the second fashioned iron for limit with (welding) is all fixedly connected in the groove of lower end, the outer wall of second fashioned iron is corresponding thereto Each of between the grooved void of the left-hand end of the first fashioned iron (between the inner wall of groove) between the grooved void of right-hand end, it is every Between the upper recess gap of a left side segment type steel between the grooved void of lower end, the upper recess gap of each right side segment type steel Between first sliding groove (limiting slot) for installing the plank, four rectangular areas are constituted between the grooved void of lower end R₁It is corresponding with first sliding groove.

The frame unit all have a pair of of third fashioned iron with groove, a pair of 4th fashioned iron with groove, Multiple fashioned iron second connect ribs, three hooks and three connection fasteners, six mouths of consulting, and a pair of 4th fashioned iron is corresponding thereto The middle part of a third fashioned iron in a pair of of third fashioned iron is welded, and a pair of of third fashioned iron is perpendicular with a pair of 4th fashioned iron and constitutes Two rectangular area R₂, all there are multiple fashioned iron second to connect rib between two third fashioned iron, between two the 4th fashioned iron, the The passed through between the third fashioned iron of corresponding position two of the connecting position of three fashioned iron and a pair of 4th fashioned iron with anchor pole or anchor cable Two holes are located in a pair of of third fashioned iron on the upper end leading flank and lower end leading flank of a third fashioned iron on right side and install respectively There are a hook and a connection fastener, the upper end leading flank of a third fashioned iron in left side is located in a pair of of third fashioned iron under It is separately installed with a connection fastener on the leading flank of end and one is linked up with, the 4th type located above in a pair of 4th fashioned iron One connection fastener, the right end for the 4th fashioned iron being located below in a pair of 4th fashioned iron are installed on the right end leading flank of steel One hook is installed on leading flank, the outside end of each third fashioned iron, each 4th fashioned iron outside end all have one The mouth of consulting of a mouth of consulting, the upper end of each third fashioned iron is all in the alternate inserting slot construction of convex-concave, each 4th fashioned iron The mouth of consulting of right end, each third fashioned iron the mouth of consulting of lower end be all in inserting slot construction concavo-convex alternately, it is described Two rectangular area R₂In the groove of the inside (left side) of corresponding third fashioned iron, located above one in a pair of 4th fashioned iron In the groove of the lower end for the 4th fashioned iron being located below in the groove of the upper end of a 4th fashioned iron, in a pair of 4th fashioned iron all Being fixedly connected with (welding) has the 5th fashioned iron for limit, the third fashioned iron of the outer wall of the 5th fashioned iron corresponding thereto it is interior Between the grooved void of side (left side), the grooved void of the upper end of the 4th fashioned iron located above in a pair of 4th fashioned iron it Between, constitute for installing the wood between the grooved void of the lower end of the 4th fashioned iron that is located below in a pair of 4th fashioned iron The second sliding slot of plate, described two rectangular area R₂It is corresponding with second sliding slot.

The angle framework unit all have a pair of 6th fashioned iron with groove, a pair of 7th fashioned iron with groove, Multiple fashioned iron thirds connection ribs, two hooks and two connection fasteners, four mouths of consulting, a pair of 7th fashioned iron is corresponding thereto The end sides welding of the 6th fashioned iron in a pair of 6th fashioned iron, a pair of 6th fashioned iron and a pair of 7th fashioned iron are perpendicular simultaneously Constitute a rectangular area R₃, all there are multiple fashioned iron thirds to connect rib between two the 6th fashioned iron, between two the 7th fashioned iron, There is anchor pole or anchor cable between a pair of 6th fashioned iron and the 6th fashioned iron of corresponding position two of the connecting position of a pair of 7th fashioned iron The third hole of process is equipped on the lower end leading flank for the 6th fashioned iron for being located inside (right side) in a pair of 6th fashioned iron One connection fastener is equipped with one on the lower end leading flank for the 6th fashioned iron for being located at outside (left side) in a pair of 6th fashioned iron A hook is equipped with a connection fastener on the right end leading flank of the 7th fashioned iron located above in a pair of 7th fashioned iron, A hook, each 6th fashioned iron are installed on the right end leading flank for the 7th fashioned iron being located below in a pair of 7th fashioned iron Outside end, each 7th fashioned iron outside end all there is one described in consult mouth, the institute of the right end of each 7th fashioned iron State the mouth of consulting, the mouth of consulting of lower end of each 6th fashioned iron is all in inserting slot construction concavo-convex alternately, one rectangular area R₃Position in interior, a pair of 6th fashioned iron of the groove of the lower end for the 7th fashioned iron being located below in corresponding the 7th fashioned iron of a pair There is the 8th type for limit in being all fixedly connected with (welding) in the groove of the inner end of the 6th fashioned iron on inside (right side) Steel, the lower end for the 7th fashioned iron being located below in the 7th fashioned iron of a pair of the outer wall of the 8th fashioned iron corresponding thereto It is located between the grooved void of the inner end of the 6th fashioned iron on inside (right side) between grooved void, in a pair of 6th fashioned iron Constitute the third sliding slot for installing the plank, the rectangular area R₃It is corresponding with third sliding slot.Each connection Lantern ring, the spanner that all there is fastener hook corresponding thereto to match, each template of one end of spanner corresponding thereto Frame unit or each frame unit or each angle framework unit are hinged, specifically one end of spanner corresponding thereto one To position in the left side segment type steel or a pair of of right side segment type steel being located below in the first fashioned iron or a pair of of left side segment type steel The 4th type located above in a right side segment type steel above or a pair of of third fashioned iron or a pair of 4th fashioned iron It is located in the 6th fashioned iron or a pair of 7th fashioned iron for inside one the located above in steel or a pair of 6th fashioned iron Seven fashioned iron it is hinged (detailed articulated structure be spanner one end and pedestal it is hinged, each standard card cage list of pedestal corresponding thereto First or each frame unit or each angle framework element solder, pedestal play hinge joint), the other end of spanner is For the free end of hand operation, which is in opening trough_like, and the free end for hand operation of spanner is buckled in and (is placed on) and it On corresponding each standard card cage unit or on each frame unit or on each angle framework unit, specifically spanner For hand operation free end be buckled on the side wall of first fashioned iron of a pair corresponding thereto or a pair on the left of segment type steel In be located below one left side segment type steel side wall on or a pair of of right side segment type steel in a right side segment type located above 4th fashioned iron located above on the side wall of steel or on the side wall of a pair of of third fashioned iron or in a pair of 4th fashioned iron It is located on the side wall for the 6th fashioned iron for being located inside on side wall or in a pair of 6th fashioned iron or in a pair of 7th fashioned iron On the side wall of the 7th fashioned iron above, spanner hinged end side (i.e. spanner in the hinged end side with above-mentioned each fashioned iron, Namely pedestal side) and the side of lantern ring it is hinged, the free end that the other side of lantern ring is and hook matches.

Angle framework unit and the connection structure of frame unit are that the both ends of an angle framework unit respectively connect a frame The mouth of consulting of frame unit, the i.e. both ends of the angle framework unit respectively passes through slot with the mouth of consulting described in a frame unit one end It matches, the hook on angle framework unit matches, on frame unit with the lantern ring in the connection fastener on frame unit Hook matched with the lantern ring in the connection fastener on angle framework unit and be connected to angle framework unit and frame unit Together；The connection structure of two adjacent frame units is, frame unit one end it is described consult mouth with it is adjacent another The mouth of consulting of one frame unit one end is matched by slot, and in the connection fastener of a frame unit one end Lantern ring, hook match respectively with the lantern ring in the hook of another adjacent frame unit one end, connection fastener and by two A adjacent frame unit links together；Standard card cage unit and the connection structure of frame unit are standard card cage lists The mouth of consulting of the described frame unit one end of mouth corresponding thereto of consulting on each outside end of member passes through slot Match, and the hook on each outboard end of standard card cage unit, the lantern ring in connection fastener respectively corresponding thereto one The connection fastener, hook of a frame unit one end match and standard card cage unit and frame unit link together； The connection structure of two adjacent standard card cage units is, standard card cage unit one end it is described consult mouth with it is adjacent another The mouth of consulting of a standard card cage unit one end is matched by slot, and in the connection fastener of a standard card cage unit one end Lantern ring, hook match respectively with the lantern ring in the hook of another adjacent standard card cage unit one end, connection fastener and Two adjacent standard card cage units are linked together；According to this connection structure formed by standard card cage unit, frame unit, Multiple space chambers (lattice unit) of angle framework unit composition and constitute the assembled frame, each intracavitary peace in space Equipped with a plank, which is limited by the annular groove on the space chamber side wall, and the annular groove is by (part) the One sliding slot, (part) second sliding slot, third sliding slot surround or the annular groove is by (part) second sliding slot, (part) first Sliding slot surrounds or the annular groove is surrounded by (part) first sliding groove.

Each backing plate all has anchor pole connecting hole, and perhaps each anchor pole of anchor cable connecting hole or each anchor cable pass through corresponding thereto The first hole, the second hole, outside third hole and anchor pole connecting hole or anchor cable connecting hole and backing plate on the backing plate The anchor head of side and each standard card cage unit, each frame unit, each angle framework unit are fixed on foundation pit side-wall.For limiting The 5th fashioned iron, the 8th fashioned iron structure identical as the structure of the second fashioned iron for limit (the 5th fashioned iron, the are not drawn in figure Eight fashioned iron).

In above-mentioned technical proposal, preferred technical solution may is that each of described first fashioned iron, each left side segment type Steel, each right side segment type steel, each third fashioned iron, each 4th fashioned iron, each 6th fashioned iron, each 7th fashioned iron are all I-shaped One of steel, H profile steel, channel steel, each left side segment type steel, each right side segment type steel length X be all 500mm~1500mm. Above-mentioned first hole, the second hole, third hole side length Y be 100mm~200mm, the first hole, the second hole, third hole The outer edge distance S of the center in hole and the first fashioned iron is 100mm~300mm.Above-mentioned each fashioned iron first connects rib, each fashioned iron Second connection rib, each fashioned iron third connection rib are all angle steel, L-type steel plate, square hollow section steel, one in H profile steel (waiting any fashioned iron) Kind.It is above-mentioned consult mouth assembly when the depth that is mutually twisted be 80mm~150mm by the depth Z that slot matches.For limiting The second fashioned iron, the 5th fashioned iron, the 8th fashioned iron be all channel steel or square steel, the width C of sliding slot is 20mm~40mm.It is each described Space chamber be all square, the plank of the intracavitary installation in space is all square, and the side length of each plank is 1000mm~3500mm.In the last layer installation, if when plank too long installation inconvenience, can by plank transverse direction dimidiation, Successively install.Above-mentioned each first fashioned iron, each left side segment type steel, each right side segment type steel, each third fashioned iron, each 4th Fashioned iron, each 6th fashioned iron, each 7th fashioned iron can be all H profile steel, on the web of the outside end of each first fashioned iron, often On the web of the outside end of a left side segment type steel, on the web of the outside end of each right side segment type steel, each third fashioned iron Outside end web on, on the web of the outside end of each 4th fashioned iron, the abdomen of the outside end of each 6th fashioned iron Consult mouth described in all there is one on plate, on the web of the outside end of each 7th fashioned iron.The i.e. described mouth of consulting is located at each fashioned iron On the web of outside end.

The construction technology (construction method) of the recyclable bracing of deep foundation pit of the pin-connected panel, it is characterised in that it is wrapped Include following steps:

Step 1: lower digging foundation pit；

Step 2: being put into first of anchor cable at first of anchor cable hole, stop grouting plug, grouting are installed；

Step 3: being put into second anchor cable at second anchor cable hole, stop grouting plug, grouting are installed；

Step 4: installation first layer assembly frame, fasten first layer assembly frame lateral hook fastener, that is, make hook with Lantern ring in connection fastener matches；

Step 5: boarding, installs second layer assembly frame immediately, fastening first layer is vertically linked up with second layer assembly frame Fastener and second layer assembly frame transverse direction hook fastener, that is, match hook with the lantern ring in connection fastener；

Step 6: applying prestressing force to anchor cable, first layer supporting is formed；

Step 7: repeating step 1 to step 6, multilayer supporting is formed；

Step 8: backfill to the bottom surface of the last layer supporting, discharges last one of anchor cable and road anchor cable second from the bottom Prestressing force, recycling the last layer assembly frame, plank and anchorage, then backfill are to layer assembly frame bottom end second from the bottom；

Step 9: repeating step 8 to recycling first layer supporting.

In above-mentioned technical proposal, preferred technical solution be may is that in step 1, it is lower dig foundation pit depth be 1000mm~ 4500mm.In step 2, foundation pit top surface following depth h is the position of 200mm~500mm, along foundation pit surrounding inner wall same level Multiple first of anchor cable hole are arranged in face, and make the center of first of the anchor cable hole of adjacent on same inner wall two away from L It is for 1000mm~3500mm.In step 3, the center L away from first of anchor cable hole is the position of 1000mm~3500mm, edge The setting of foundation pit surrounding inner wall same level and first of anchor cable hole second anchor cable hole correspondingly, each The second anchor cable is respectively set in the second anchor cable hole；In step 6, the supporting when excavating, each cutting depth is 1000mm~3500mm, until design of foundation pit depth, forms multilayer assembled supporting, and last one of the anchor cable and foundation pit formed The distance f of bottom is 100mm~200mm.In step 6, first layer assembly frame and second layer assembly frame and between plank install Bi Hou, applies the 70%-90% that prestressing force reaches design value to first of anchor cable, applies prestressing force to design value to second anchor cable 20%；Plank between third layer assembly frame and assembled frame after the installation is completed, applies prestressing force to second anchor cable and reaches design value 70%-90%, prestressing force is applied to the 20% of design value to third road anchor cable, each layer of supporting later.

The recyclable bracing of deep foundation pit of pin-connected panel of the invention has assembled frame, matching used with assembled frame Multiple planks, multiple backing plates, multiple anchor heads, anchor pole and anchor cable are one such, and the quantity of the anchor pole and anchor cable is all multiple. The assembled frame is made of multiple standard card cage units, multiple frame units, multiple angle framework units.Construction technology packet Include following steps: excavation of foundation pit；At first of anchor cable hole, it is arranged anchor pole (or anchor cable), slip casting；At second anchor cable hole, setting Anchor pole (or anchor cable), slip casting；First layer assembly frame is in place, anchoring；Boarding；Second layer assembly frame is in place, anchoring；Apply the Together, second anchor pole (or anchor cable) prestressing force；Repeat above-mentioned multilayer supporting；The last layer assembly frame, plank and anchorage are recycled, Backfill is to layer assembly frame ground second from the bottom；Above-mentioned disassembly process is repeated until foundation pit backfill finishes.The present invention utilizes fashioned iron With the assembling combination of plank, soil body of deep foundation pit supporting is achieved the purpose that, assembled process is green and pollution-free, and convenient fast The duration is saved in victory；Assembling members are simple, cheap, and material can reuse, and effectively reduce project cost, be conducive to protect Environment solves the expendable defect problem of material in existing bracing of deep foundation pit.Good using base pit stability of the present invention, Low cost, compared with having relevant technology, cost of the present invention reduces 25% or more, and assembly time saves 50% or more, Work efficiency improves 50% or more.

Detailed description of the invention

Fig. 1 is the structural schematic diagram for the bracing of deep foundation pit that pin-connected panel of the invention can be recycled.

Fig. 2 is the cross-sectional view in Fig. 1 along line A-A.

Fig. 3 is the main view of a standard card cage unit in the present invention.

Fig. 4 is the structural schematic diagram (being considered as top view) of a standard card cage unit in the present invention.

Fig. 5 is the right view of a standard card cage unit in the present invention.

Fig. 6 is the main view of a frame unit in the present invention.

Fig. 7 is the main view of an angle framework unit in the present invention.

Fig. 8 is the structural schematic diagram (main view) that a connection fastener is connected with left side segment type steel 101b in the present invention.

Fig. 9 is the structural schematic diagram (bottom view) that a connection fastener is connected with left side segment type steel 101b in the present invention.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below Example is not intended to limit the scope of the invention for illustrating the present invention.

Embodiment 1: shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, pin-connected panel of the invention can be returned The bracing of deep foundation pit of receipts have assembled frame 1, with the matching used multiple planks 3 of assembled frame, multiple backing plates (anchor pole or Multiple backing plates of anchor cable) 6, multiple anchor heads 4, anchor pole and anchor cable 5 it is one such, the quantity of the anchor pole and anchor cable is all more It is a.The assembled frame 1 is by multiple standard card cage units 101, multiple frame units 102, multiple 103 structures of angle framework unit At.Each standard card cage unit 101 all has with groove in longitudinally disposed the first fashioned iron of a pair 101a, band groove In a pair of of the left side segment type steel 101b being located on the left of a pair of first fashioned iron, with groove in the position being laterally arranged laterally being arranged A pair of of right side segment type steel 101c, multiple fashioned iron first on the right side of a pair of first fashioned iron connect rib 2 ', and (fashioned iron connection rib is also referred to as Connect rib, the connection rib be fashioned iron, also may be referred to fashioned iron connector), four hook 7 and four connection fasteners 7 ', eight consult Mouth 8.A pair of of left side segment type steel 101b, (one) the first fashioned iron 101a of a pair of of right side segment type steel 101c respectively corresponding thereto It welds, is all welded between two the first fashioned iron 101a, between two left side segment type steel 101b, between two right side segment type steel 101c There are multiple fashioned iron first to connect rib 2 '.The first fashioned iron 101a of a pair and a pair of of left side segment type steel 101b, a pair of of right side segment type steel 101c is in the cross-shaped structure to connect and constitutes four rectangular area R₁, in the first type of the corresponding position of the connecting position two First hole 9 of (process) is passed through between steel 101a with anchor pole or anchor cable 5.It is located at the one of right side in the first fashioned iron 101a of a pair A hook 7 and a connection fastener 7 ' are separately installed on the upper end leading flank and lower end leading flank of a first fashioned iron, it is a pair of One is separately installed on the upper end leading flank and lower end leading flank of first fashioned iron in left side in first fashioned iron 101a Connection fastener 7 ' and a hook 7.In a pair of of left side segment type steel 101b on front side of the left end of a left side segment type steel located above An extension is separately installed on the right end leading flank of a right side segment type steel located above in face, a pair of of right side segment type steel 101c 7, connection fasteners 7 ' of hook, the left end leading flank for a left side segment type steel being located below in a pair of of left side segment type steel 101b, A connection is separately installed on the right end leading flank for a right side segment type steel being located below in a pair of of right side segment type steel 101c Fastener 7 ', a hook 7.The outside end of each first fashioned iron 101a, each left side segment type steel 101b outside end, each The outside end of right side segment type steel 101c is consulted mouth 8 described in all having one, the left end of each left side segment type steel 101b it is described Consult mouth, each first fashioned iron 101a the mouth of consulting of upper end be all in the alternate inserting slot construction of convex-concave, each right side segment type steel The mouth of consulting of the right end of 101c, the mouth of consulting of the lower end of each first fashioned iron 101a are all in slot knot concavo-convex alternately Structure.Four rectangular area R₁In the groove of the left-hand end of each of corresponding first fashioned iron and the groove of right-hand end is interior, every In the upper recess of a left side segment type steel and in the groove of lower end, in the upper recess of each right side segment type steel and in the groove of lower end all Being fixedly connected with (welding) has the second fashioned iron 10 for limit, the outer wall of second fashioned iron each of corresponding thereto the first type Between the grooved void of the left-hand end of steel (between the inner wall of groove) between the grooved void of right-hand end, each left side segment type steel Upper recess gap between the grooved void of lower end, between the upper recess gap of each right side segment type steel and lower end is recessed The first sliding groove (limiting slot) 11 for installing the plank 3, four rectangular area R are constituted between slot gap₁With first Sliding slot 11 is corresponding.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, each frame unit 102 all has There are a pair of of third fashioned iron 102a with groove, a pair of 4th fashioned iron 102b with groove, multiple fashioned iron second to connect 2, three, rib Hook 7 and three connection fasteners 7 ', six mouths 8 of consulting.A pair of of the third fashioned iron of the 4th fashioned iron 102b of a pair corresponding thereto The middle part of a third fashioned iron in 102a is welded, and a pair of of third fashioned iron 102a is perpendicular with the 4th fashioned iron 102b of a pair and constitutes Two rectangular area R₂.All there are multiple fashioned iron second to connect between two third fashioned iron 102a, between two the 4th fashioned iron 102b Rib 2 has anchor pole or anchor between third fashioned iron and the third fashioned iron of corresponding position two of the connecting position of a pair of 4th fashioned iron The second hole 9 ' that rope passes through is located at upper end leading flank and the lower end of a third fashioned iron on right side in a pair of of third fashioned iron 102a It is separately installed with a hook 7 and a connection fastener 7 ' on leading flank, one of left side is located in a pair of of third fashioned iron 102a A connection fastener 7 ' and a hook 7 are separately installed on the upper end leading flank and lower end leading flank of third fashioned iron.A pair of the One connection fastener 7 ', a pair of 4th fashioned iron are installed on the right end leading flank of the 4th fashioned iron located above in four fashioned iron In a hook 7 is installed on the right end leading flank of the 4th fashioned iron that is located below.The outside end of each third fashioned iron, The outside end of each 4th fashioned iron is consulted mouth 8 described in all having one, and the mouth of consulting of the upper end of each third fashioned iron is all in The alternate inserting slot construction of convex-concave, the mouth of consulting of the right end of each 4th fashioned iron, the lower end of each third fashioned iron it is described Mouth of consulting all is in inserting slot construction concavo-convex alternately.Described two rectangular area R₂The inside (left side) of corresponding third fashioned iron it is recessed In slot, in the groove of the upper end of the 4th fashioned iron located above in a pair of 4th fashioned iron, under being located in a pair of 4th fashioned iron (welding) is all fixedly connected in the groove of the lower end of one the 4th fashioned iron in face the 5th fashioned iron for limit, the 5th type Between the grooved void of the inside (left side) of the third fashioned iron of the outer wall of steel corresponding thereto, it is located above in a pair of 4th fashioned iron The 4th fashioned iron upper end grooved void between, the lower end of the 4th fashioned iron that is located below in a pair of 4th fashioned iron Grooved void between constitute second sliding slot 11 ' for installing the plank 3, described two rectangular area R₂With second sliding slot 11 ' is corresponding.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, each angle framework unit 103 all has Have a pair of 6th fashioned iron 103a with groove, a pair of 7th fashioned iron 103b with groove, multiple fashioned iron thirds connection rib 2 ", two Hook 7 and two connection fasteners 7 ', four mouths 8 of consulting.The 6th fashioned iron of a pair of the 7th fashioned iron 103b of a pair corresponding thereto The end sides of the 6th fashioned iron in 103a are welded, and the 6th fashioned iron 103a of a pair and the 7th fashioned iron 103b of a pair are perpendicular simultaneously Constitute a rectangular area R₃.Between two the 6th fashioned iron 103a, all there are multiple fashioned iron the between two the 7th fashioned iron 103b Three connection ribs 2 ".Have between a pair of 6th fashioned iron and the 6th fashioned iron of corresponding position two of the connecting position of a pair of 7th fashioned iron Third hole 9 that anchor pole or anchor cable pass through ", in 6th fashioned iron 103a of a pair under the 6th fashioned iron on inside (right side) One connection fastener 7 ' is installed on the leading flank of end, the 6th fashioned iron in outside (left side) is located in the 6th fashioned iron 103a of a pair Lower end leading flank on be equipped with one hook 7.The right end of 7th fashioned iron located above in the 7th fashioned iron 103b of a pair One connection fastener 7 ' is installed, before the right end for the 7th fashioned iron being located below in the 7th fashioned iron 103b of a pair on leading flank One hook 7 is installed on side.The outside end of each 6th fashioned iron, the outside end of each 7th fashioned iron all have one The mouth 8 of consulting, the mouth of consulting of the right end of each 7th fashioned iron 103b, the described of lower end of each 6th fashioned iron 103a are consulted Mouth is all in inserting slot construction concavo-convex alternately.One rectangular area R₃It is located below in corresponding the 7th fashioned iron 103b of a pair The 7th fashioned iron lower end groove in, in 6th fashioned iron 103a of a pair positioned at the 6th fashioned iron on inside (right side) (welding) is all fixedly connected in the groove of inner end the 8th fashioned iron for limit, and the outer wall of the 8th fashioned iron is corresponding thereto Between the grooved void of the lower end for the 7th fashioned iron being located below in the 7th fashioned iron 103b of a pair answered, a pair of 6th fashioned iron It is constituted between the grooved void of the inner end of the 6th fashioned iron on inside (right side) for installing the plank 3 in 103a Third sliding slot 11 ", the rectangular area R₃It is " corresponding with third sliding slot 11.

As shown in Fig. 8, Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 9, each connection fastener 7 ' all has Lantern ring 701, the spanner 702 that hook corresponding thereto matches.The each standard card cage of one end of spanner 702 corresponding thereto Unit 101 or each frame unit 102 or each angle framework unit 103 are hinged, specifically one end of spanner 702 and its A left side segment type steel being located below in corresponding a pair of first fashioned iron 101a or a pair of of left side segment type steel 101b or A right side segment type steel located above or a pair of third fashioned iron 102a or a pair the 4th in a pair of of right side segment type steel 101c It is located at the 6th fashioned iron of inside in fashioned iron 102b in the 6th fashioned iron 103a of 4th fashioned iron located above or a pair Or hingedly (detailed articulated structure is one end and bottom of spanner to the 7th fashioned iron located above in the 7th fashioned iron 103b of a pair Seat is hinged, pedestal each standard card cage unit 101 corresponding thereto or each frame unit 102 or each angle framework Unit 103 welds, and pedestal plays hinge joint), the other end of spanner is the free end operated for hand, which is in open The free end for hand operation of mouthful flute profile, spanner be buckled in and (be placed on) on each standard card cage unit 101 corresponding thereto or On each frame unit 102 of person or on each angle framework unit 103, the free end for hand operation of specifically spanner is detained One be located below in segment type steel 101b on the side wall of the first fashioned iron of a pair 101a corresponding thereto or on the left of a pair On the side wall of a left side segment type steel or in a pair of of right side segment type steel 101c on the side wall of a right side segment type steel located above The either side of the 4th fashioned iron located above on the side wall of a pair of of third fashioned iron 102a or in the 4th fashioned iron 102b of a pair On wall or in the 6th fashioned iron 103a of a pair on the side wall of the 6th fashioned iron of inside or the 7th fashioned iron 103b of a pair In the 7th fashioned iron located above side wall on, (i.e. spanner is hinged with above-mentioned each fashioned iron in hinged end side for spanner Hold side, that is, pedestal side) and the side of lantern ring 701 it is hinged, the other side of lantern ring 701 is oneself that match with hook 7 By holding.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, the company of angle framework unit and frame unit Binding structure is that the both ends of an angle framework unit respectively connect a frame unit, i.e., the both ends of the angle framework unit is described Mouth 8 of consulting respectively is matched with mouth of consulting described in a frame unit one end by slot, the hook 7 and frame on angle framework unit Lantern ring 701 in connection fastener 7 ' on frame unit matches, the hook 7 on frame unit and the connection on angle framework unit Lantern ring 701 in fastener 7 ' matches and angle framework unit and frame unit links together；Two adjacent frames The connection structure of unit is the institute of the consult mouth and another adjacent frame unit one end of a frame unit one end The mouth of consulting is stated to match by slot, and lantern ring 701 in the connection fastener 7 ' of a frame unit one end, hook 7 respectively with Lantern ring 701 in the hook 7 of another adjacent frame unit one end, connection fastener 7 ' matches and by two adjacent side Frame unit links together；Standard card cage unit and the connection structure of frame unit are that each of standard card cage unit is outer The mouth of consulting of the described frame unit one end of mouth corresponding thereto of consulting on the head of side is matched by slot, and is marked The frame of lantern ring 701 respectively corresponding thereto in hook 7, connection fastener 7 ' on each outboard end of collimator frame unit The connection fastener 7 ', hook 7 of frame unit one end match and standard card cage unit and frame unit link together；Two The connection structure of adjacent standard card cage unit is described consult mouth and another adjacent mark of a standard card cage unit one end The mouth of consulting of collimator frame unit one end is matched by slot, and in the connection fastener 7 ' of a standard card cage unit one end Lantern ring 701, hook 7 respectively with the lantern ring 701 in the hook 7 of another adjacent standard card cage unit one end, connection fastener 7 ' It matches and two adjacent standard card cage units links together；According to this connection structure formed by standard card cage unit 101, Multiple space chambers (lattice unit) that frame unit 102, angle framework unit 103 form and constitute the assembled frame 1, often A space is intracavitary to be equipped with a plank 3, which is limited by the annular groove on the space chamber side wall, institute Annular groove is stated by first sliding groove 11, second sliding slot 11 ', third sliding slot 11 and " surrounds or the annular groove is by second sliding slot 11 ', first sliding groove 11 surrounds or the annular groove is surrounded by first sliding groove 11, this is where each space chamber (each plank 3) Region determine.Each backing plate 6 all have anchor pole connecting hole perhaps each anchor pole of anchor cable connecting hole or each anchor cable 5 by with its Corresponding first hole 9, the second hole 9 ', third hole 9 " and anchor pole connecting hole or anchor cable connecting hole on the backing plate And anchor head 4 on the outside of backing plate and each standard card cage unit 101, each frame unit 102, each angle framework unit 103 is fixed On foundation pit side-wall.The external end head of each anchor pole or each anchor cable is anchored by an anchor head 4, and each anchor head 4 all can be steel strand wires Strand tapered anchorage.It is identical as the structure of the second fashioned iron 10 for limit for the 5th fashioned iron of limit, the structure of the 8th fashioned iron (the 5th fashioned iron, the 8th fashioned iron are not drawn in figure).

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, each first fashioned iron 101a, each left side section Fashioned iron 101b, each right side segment type steel 101c, each third fashioned iron 102a, each 4th fashioned iron 102b, each 6th fashioned iron 103a, each 7th fashioned iron 103b are all one of I-steel, H profile steel, channel steel (the present embodiment all uses H profile steel), each Left side segment type steel 101b, each right side segment type steel 101c length X be all 500mm~1500mm (using 1500mm).Above-mentioned One hole 9, the second hole 9 ', third hole 9 " side length Y be 100mm~200mm (use 100mm), the first hole 9, second Hole 9 ', third hole 9 " center and the outer edge distance S of the first fashioned iron be 100mm~300mm (use 150mm).It is above-mentioned Each fashioned iron first connects rib 2 ', each fashioned iron second connects rib 2, each fashioned iron third connection rib 2 " is all angle steel, L-type steel One of plate, square hollow section steel, H profile steel (waiting any fashioned iron) (the present embodiment all uses angle steel).The above-mentioned mouth 8 of consulting mutually is stung when assembled The depth of conjunction is that the depth Z matched by slot is 80mm~150mm (using 100mm).For limit the second fashioned iron 10, 5th fashioned iron, the 8th fashioned iron are all channel steel or square steel, and the width C of sliding slot 11 is 20mm~40mm (using 30mm).Each institute The space chamber stated all is square, and the plank 3 of each intracavitary installation in space is all square, the side length of each plank 3 For 1000mm~3500mm (using 3100mm).It, can be by plank if the too long installation of plank is inconvenient in the last layer installation Lateral dimidiation, is successively installed.Above-mentioned each first fashioned iron 101a, each left side segment type steel 101b, each right side segment type steel 101c, each third fashioned iron 102a, each 4th fashioned iron 102b, each 6th fashioned iron 103a, each 7th fashioned iron 103b are all H Fashioned iron, on the web of the outside end of each first fashioned iron 101a, on the web of the outside end of each left side segment type steel 101b, On the web of the outside end of each right side segment type steel 101c, on the web of the outside end of each third fashioned iron, each 4th On the web of the outside end of fashioned iron, on the web of the outside end of each 6th fashioned iron, the outside end of each 7th fashioned iron Web on all there is one described in consult mouth 8.The i.e. described mouth 8 of consulting is located on the web of outside end of each fashioned iron.

Embodiment 2: shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, pin-connected panel of the invention can be returned The construction technology (construction method) of the bracing of deep foundation pit of receipts includes the following steps:

Step 1: lower digging foundation pit；

Step 7: repeating step 1 to step 6, multilayer supporting is formed；

Step 9: repeating step 8 to recycling first layer supporting.

In the step one, the lower depth for digging foundation pit is 1000mm~4500mm (optional 3600mm).In step 2, Foundation pit top surface following depth h is the position of 200mm~500mm (optional 400mm), is set along foundation pit surrounding inner wall same level Multiple first of anchor cable hole are set, and the center of first of the anchor cable hole of adjacent on same inner wall two is made to be away from L For 1000mm~3500mm (optional 3000mm).In step 3, the center L away from first of anchor cable hole is 1000mm~3500mm The position of (optional 3000mm) is arranged one-to-one with first of anchor cable hole along foundation pit surrounding inner wall same level The second anchor cable is respectively set in each described second anchor cable hole in the second anchor cable hole；In step 6, Bian Kai Side supporting is dug, each cutting depth is 1000mm~3500mm (optional 3000mm), until design of foundation pit depth, forms multilayer Pin-connected panel supporting, and last one of the anchor cable formed and bottom of foundation ditch distance f are 100mm~200mm (optional 200mm). In step 6, first layer assembly frame and second layer assembly frame and between plank after the installation is completed, first of anchor cable application is answered in advance Power reaches the 70%-90% of design value, applies prestressing force to the 20% of design value to second anchor cable；Third layer assembly frame and assembly Plank between frame applies the 70%-90% that prestressing force reaches design value after the installation is completed, to second anchor cable, applies to third road anchor cable Prestressing is to the 20% of design value, each layer of supporting later.

The present invention utilizes the assembling combination of fashioned iron and plank, has achieved the purpose that soil body of deep foundation pit supporting, assembled process is green Color is environment friendly and pollution-free, and convenient and efficient, saves the duration；Assembling members are simple, cheap, and material can reuse, and be effectively reduced Project cost is conducive to protect environment, solves the expendable defect problem of material in existing system of deep foundation pit support.It adopts With base pit stability of the present invention is good, low cost, compared with having relevant technology, cost of the present invention reduces 22% or more, work Effect improves 50% or more.

With a kind of assembled lattice unit and installation method (comparison for pattern foundation pit supporting structure disclosed in CN104532856A File) it compares, the two has substantive difference, firstly, the present invention is steel construction, documents are concrete；Secondly, The present invention uses assembled frame stress, and using plank earth-retaining, documents use lattice unit stress, the earth-retaining of concrete；Also Have, (end) connection type of component is different, and the present invention is matched by slot using mouth of consulting and also using in connection fastener The connection type that lantern ring is matched with hook, documents use the connection type of bolt；In addition, documents are monolith coagulations The structure of soil, is not easy to lift, assemble, and the present invention is steel framework structure, and lifting, assembly are more easier, compared with this technology, this Invention cost reduces 25% or more, and assembly time saves 50% or more, and work efficiency improves 50% or more.

Claims

1. a kind of recyclable bracing of deep foundation pit of pin-connected panel, it is characterised in that it has assembled frame (1) and assembled frame Matching used multiple planks (3), multiple backing plates (6), multiple anchor heads (4), anchor pole and anchor cable (5) are one such, the anchor The quantity of bar and anchor cable is all multiple；

The assembled frame (1) is by multiple standard card cage units (101), multiple frame units (102), multiple angle framework lists First (103) are constituted, and it is in longitudinally disposed the first fashioned iron of a pair that each standard card cage unit (101), which all has with groove, It is (101a), with groove in a pair of of the left side segment type steel (101b) being located on the left of a pair of first fashioned iron being laterally arranged, band groove Connect rib in a pair of of the right side segment type steel (101c) being located on the right side of a pair of first fashioned iron that is laterally arranged, multiple fashioned iron first (2 '), four hooks (7) and four connection fasteners (7 '), eight mouths of consulting (8), a pair of of left side segment type steel (101b), a pair of of right side Each first fashioned iron (101a) welding corresponding thereto of side segment type steel (101c), between two the first fashioned iron (101a), two The multiple connection of fashioned iron first ribs are all welded between a left side segment type steel (101b), between two right side segment type steel (101c) (2 '), a pair of first fashioned iron (101a) are in ten to connect with a pair of of left side segment type steel (101b), a pair of of right side segment type steel (101c) Character form structure simultaneously constitutes four rectangular area (R₁), between the first fashioned iron (101a) of the corresponding position of the connecting position two With the first hole (9) that anchor pole or anchor cable (5) pass through, first fashioned iron on right side is located in a pair of first fashioned iron (101a) Upper end leading flank and lower end leading flank on be separately installed with a hook (7) and a connection fastener (7 '), a pair of first type A connection is separately installed on the upper end leading flank and lower end leading flank of first fashioned iron in left side in steel (101a) Fastener (7 ') and a hook (7), in a pair of of left side segment type steel (101b) before the left end of a left side segment type steel located above One is separately installed on the right end leading flank of a right side segment type steel located above in side, a pair of of right side segment type steel (101c) A hook (7), a connection fastener (7 '), a left side for a left side segment type steel being located below in a pair of of left side segment type steel (101b) It is installed respectively on the right end leading flank for a right side segment type steel being located below in end leading flank, a pair of of right side segment type steel (101c) There are a connection fastener (7 '), a hook (7), the outside end of each first fashioned iron (101a), each left side segment type steel The outside end of (101b), each right side segment type steel (101c) outside end all there is one described in consult mouth (8), each left side The mouth of consulting of the left end of segment type steel (101b), the mouth of consulting of the upper end of each first fashioned iron (101a) are all in that convex-concave is handed over The inserting slot construction replaced, the lower end of the consult mouth, each first fashioned iron (101a) of the right end of each right side segment type steel (101c) The mouth of consulting of head is all in inserting slot construction concavo-convex alternately, four rectangular area (R₁) corresponding to each of first fashioned iron In the groove of left-hand end and in the groove of right-hand end, in the upper recess of each left side segment type steel and in the groove of lower end, each right side The second fashioned iron (10) for limit, the second type are all fixedly connected in the upper recess of side segment type steel and in the groove of lower end The outer wall of steel each of corresponding thereto between the grooved void of the left-hand end of the first fashioned iron between the grooved void of right-hand end, Between the upper recess gap of each left side segment type steel between the grooved void of lower end, the upper recess of each right side segment type steel sky The first sliding groove (11) for installing the plank (3), four right angle areas are constituted between the grooved void of between gap and lower end Domain (R₁) corresponding with first sliding groove (11)；

The frame unit (102) all has a pair of of third fashioned iron (102a) with groove, with groove a pair of the Four fashioned iron (102b), multiple fashioned iron second connect rib (2), three hooks (7) and three connection fasteners (7 '), six mouths of consulting (8), the middle part weldering of a third fashioned iron in a pair of of the third fashioned iron (102a) of a pair of 4th fashioned iron (102b) corresponding thereto It connects, a pair of of third fashioned iron (102a) is perpendicular with a pair of 4th fashioned iron (102b) and constitutes two rectangular area (R₂), two Between three fashioned iron (102a), all there is multiple fashioned iron second connection rib (2) between two the 4th fashioned iron (102b), in third fashioned iron The second hole passed through between the third fashioned iron of corresponding position two of the connecting position of a pair of 4th fashioned iron with anchor pole or anchor cable (9 ') are located in a pair of of third fashioned iron (102a) on the upper end leading flank and lower end leading flank of a third fashioned iron on right side respectively One hook (7) and a connection fastener (7 ') are installed, a third type in left side is located in a pair of of third fashioned iron (102a) A connection fastener (7 ') and a hook (7), a pair the 4th are separately installed on the upper end leading flank and lower end leading flank of steel One connection fastener (7 '), a pair of 4th fashioned iron are installed on the right end leading flank of the 4th fashioned iron located above in fashioned iron In a hook (7), the outboard end of each third fashioned iron are installed on the right end leading flank of the 4th fashioned iron that is located below Head, each 4th fashioned iron outside end all there is one described in consult mouth (8), the mouth of consulting of the upper end of each third fashioned iron It is all in the alternate inserting slot construction of convex-concave, the mouth of consulting of the right end of each 4th fashioned iron, the lower end of each third fashioned iron The mouth of consulting all is in inserting slot construction concavo-convex alternately, described two rectangular area (R₂) corresponding to third fashioned iron inside it is recessed In slot, in the groove of the upper end of the 4th fashioned iron located above in a pair of 4th fashioned iron, under being located in a pair of 4th fashioned iron All be fixedly connected with the 5th fashioned iron for limit in the groove of the lower end of one the 4th fashioned iron in face, the 5th fashioned iron it is outer The 4th type between the grooved void of the inside of the third fashioned iron of wall corresponding thereto, located above in a pair of 4th fashioned iron The grooved void of the lower end for the 4th fashioned iron being located below between the grooved void of the upper end of steel, in a pair of 4th fashioned iron it Between constitute second sliding slot (11 ') for installing the plank (3), described two rectangular area (R₂) and second sliding slot (11 ') It is corresponding；

The angle framework unit (103) all has a pair of 6th fashioned iron (103a) with groove, with groove a pair of the Seven fashioned iron (103b), multiple fashioned iron thirds connection rib (2 "), two hooks (7) and two connection fasteners (7 '), four mouths of consulting (8), the end side of the 6th fashioned iron in the 6th fashioned iron (103a) of a pair of a pair of 7th fashioned iron (103b) corresponding thereto Face welding, a pair of 6th fashioned iron (103a) is perpendicular with a pair of 7th fashioned iron (103b) and constitutes a rectangular area (R₃), two Between a 6th fashioned iron (103a), all there is multiple fashioned iron thirds connection rib (2 ") between two the 7th fashioned iron (103b), one To between the 6th fashioned iron of corresponding position two of the connecting position of the 6th fashioned iron and a pair of 7th fashioned iron there is anchor pole or anchor cable to pass through Third hole (9 "), be equipped on the lower end leading flank for the 6th fashioned iron for being located inside in a pair of 6th fashioned iron (103a) One connection fastener (7 ') is installed on the lower end leading flank for the 6th fashioned iron for being located at outside in a pair of 6th fashioned iron (103a) There is a hook (7), is equipped on the right end leading flank of the 7th fashioned iron located above in a pair of 7th fashioned iron (103b) One connection fastener (7 ') is installed on the right end leading flank for the 7th fashioned iron being located below in a pair of 7th fashioned iron (103b) Have a hook (7), the outside end of each 6th fashioned iron, the outside end of each 7th fashioned iron all there is one described in consult mouth (8), the mouth of consulting of the mouth of consulting, the lower end of each 6th fashioned iron (103a) of the right end of each 7th fashioned iron (103b) It is all in inserting slot construction concavo-convex alternately, one rectangular area (R₃) corresponding to the 7th fashioned iron (103b) of a pair in be located under It is located at the interior of the 6th fashioned iron of inside in the groove of the lower end of one the 7th fashioned iron in face, in a pair of 6th fashioned iron (103a) The 8th fashioned iron for limit, a pair of the outer wall of the 8th fashioned iron corresponding thereto are all fixedly connected in the groove of side Between the grooved void of the lower end for the 7th fashioned iron being located below in 7th fashioned iron (103b), a pair of 6th fashioned iron (103a) In be located inside the 6th fashioned iron inner end grooved void between the third that constitutes for installing the plank (3) it is sliding Slot (11 "), the rectangular area (R₃) corresponding with third sliding slot (11 ")；

Lantern ring (701), the spanner (702) that each connection fastener (7 ') all there is hook corresponding thereto to match, The each standard card cage unit (101) of one end of spanner (702) corresponding thereto either each frame unit (102) or every Hingedly, the other end of spanner is the free end operated for hand to a angle framework unit (103), and spanner is in hinged end side and lantern ring (701) side is hinged, and the other side of lantern ring (701) is the free end matched with hook (7)；

Angle framework unit and the connection structure of frame unit are that the both ends of an angle framework unit respectively connect a frame list The mouth (8) of consulting of member, the i.e. both ends of the angle framework unit respectively passes through slot with the mouth of consulting described in a frame unit one end It matches, the hook (7) on angle framework unit matches with the lantern ring (701) in the connection fastener (7 ') on frame unit, Hook (7) on frame unit matches with the lantern ring (701) in the connection fastener (7 ') on angle framework unit and by angle frame Frame unit links together with frame unit；The connection structure of two adjacent frame units is a frame unit The mouth of consulting of one end is matched with the mouth of consulting of another adjacent frame unit one end by slot, and a frame Lantern ring (701) in the connection fastener (7 ') of frame unit one end, hook (7) respectively with another adjacent frame unit one end Hook (7), the lantern ring (701) in connection fastener (7 ') matches and two adjacent frame units links together； Standard card cage unit and the connection structure of frame unit be, described on each outside end of standard card cage unit consult mouth with The mouth of consulting of its corresponding frame unit one end is matched by slot, and each outside of standard card cage unit The company of the frame unit one end of lantern ring (701) respectively corresponding thereto in the hook (7), connection fastener (7 ') on end Clasp (7 '), hook (7) match and standard card cage unit and frame unit link together；Two adjacent standards The connection structure of frame unit is described consult mouth and another adjacent standard card cage unit of a standard card cage unit one end The mouth of consulting of one end is matched by slot, and the lantern ring in the connection fastener (7 ') of a standard card cage unit one end (701), hook (7) respectively with the lantern ring in the hook (7) of another adjacent standard card cage unit one end, connection fastener (7 ') (701) it matches and two adjacent standard card cage units links together；Connection structure is formed by standard card cage list according to this First (101), frame unit (102), angle framework unit (103) composition multiple space chambers and constitute the assembled frame (1), each space is intracavitary is equipped with a plank (3), and the plank (3) is sliding by the annular on the space chamber side wall Slot limit, the annular groove by first sliding groove (11), second sliding slot (11 '), third sliding slot (11 ") surrounds or the annular Sliding slot is surrounded by second sliding slot (11 '), first sliding groove (11) or the annular groove is surrounded by first sliding groove (11)；

Each backing plate (6) all has anchor pole connecting hole, and perhaps each anchor pole of anchor cable connecting hole or each anchor cable (5) pass through corresponding thereto The first hole (9) for answering, the second hole (9 '), third hole (9 ") on the backing plate anchor pole connecting hole or anchor cable connect Anchor head (4) on the outside of hole and backing plate and by each standard card cage unit (101), each frame unit (102), each angle framework unit (103) it is fixed on foundation pit side-wall.

2. the recyclable bracing of deep foundation pit of pin-connected panel according to claim 1, it is characterised in that each first fashioned iron (101a), each left side segment type steel (101b), each right side segment type steel (101c), each third fashioned iron (102a), each 4th Fashioned iron (102b), each 6th fashioned iron (103a), each 7th fashioned iron (103b) are all I-steel, H profile steel, one in channel steel Kind, each left side segment type steel (101b), each right side segment type steel (101c) length (X) be all 500mm~1500mm.

3. the recyclable bracing of deep foundation pit of pin-connected panel according to claim 1, it is characterised in that above-mentioned first hole (9), the second hole (9 '), third hole (9 ") side length (Y) be 100mm~200mm, the first hole (9), the second hole The center of (9 '), third hole (9 ") and the outer edge distance (S) of the first fashioned iron are 100mm~300mm.

4. the recyclable bracing of deep foundation pit of pin-connected panel according to claim 1, it is characterised in that above-mentioned each fashioned iron First connection rib (2 '), each fashioned iron second connect rib (2), each fashioned iron third connection rib (2 ") be all angle steel, L-type steel plate, One of square hollow section steel, H profile steel；The depth (Z) that the depth that above-mentioned mouth of consulting (8) is mutually twisted when assembled is matched by slot For 80mm~150mm；The second fashioned iron (10), the 5th fashioned iron, the 8th fashioned iron for limit are all channel steel or square steel, sliding slot (11) width (C) is 20mm~40mm.

5. the recyclable bracing of deep foundation pit of pin-connected panel according to claim 1, it is characterised in that each sky Lattice chamber is all square, and the plank (3) of each intracavitary installation in space is all square, and the side length of each plank (3) is 1000mm~3500mm.

6. the recyclable bracing of deep foundation pit of pin-connected panel according to claim 1, it is characterised in that each first fashioned iron (101a), each left side segment type steel (101b), each right side segment type steel (101c), each third fashioned iron (102a), each 4th Fashioned iron (102b), each 6th fashioned iron (103a), each 7th fashioned iron (103b) are all H profile steel, each first fashioned iron (101a) Outside end web on, on the web of the outside end of each left side segment type steel (101b), each right side segment type steel On the web of the outside end of (101c), on the web of the outside end of each third fashioned iron, the outboard end of each 4th fashioned iron All have on the web of head, on the web of the outside end of each 6th fashioned iron, on the web of the outside end of each 7th fashioned iron Consult described in having one mouth (8).

7. a kind of construction technology of the recyclable bracing of deep foundation pit of pin-connected panel described in claim 1, it is characterised in that it Include the following steps:

Step 1: lower digging foundation pit；

Step 4: installation first layer assembly frame, fastens the lateral hook fastener of first layer assembly frame, that is, makes to link up with and connect Lantern ring in fastener matches；

Step 5: boarding, installs second layer assembly frame, fastening first layer and the vertical hook fastener of second layer assembly frame immediately With second layer assembly frame transverse direction hook fastener, that is, make hook matched with the lantern ring in connection fastener；

Step 7: repeating step 1 to step 6, multilayer supporting is formed；

Step 8: backfill discharges last one of anchor cable and the pre- of road anchor cable second from the bottom answers to the bottom surface of the last layer supporting Power, recycling the last layer assembly frame, plank and anchorage, then backfill are to layer assembly frame bottom end second from the bottom；

Step 9: repeating step 8 to recycling first layer supporting.

8. the construction technology of the recyclable bracing of deep foundation pit of pin-connected panel according to claim 7, it is characterised in that step In rapid one, the lower depth for digging foundation pit is 1000mm~4500mm.

9. the construction technology of the recyclable bracing of deep foundation pit of pin-connected panel according to claim 7, it is characterised in that step In rapid two, foundation pit top surface following depth (h) is the position of 200mm~500mm, is arranged along foundation pit surrounding inner wall same level more A first of anchor cable hole, and make the center of first of the anchor cable hole of adjacent on same inner wall two away from (L) be for 1000mm~3500mm；In step 3, the center (L) away from first of anchor cable hole is the position of 1000mm~3500mm, along foundation pit The setting of surrounding inner wall same level and first of anchor cable hole second anchor cable hole correspondingly, described in each The second anchor cable is respectively set in second anchor cable hole；In step 6, the supporting when excavating, each cutting depth is 1000mm~3500mm, until design of foundation pit depth, forms multilayer assembled supporting, and last one of the anchor cable and foundation pit formed The distance (f) of bottom is 100mm~200mm.

10. the construction technology of the recyclable bracing of deep foundation pit of pin-connected panel according to claim 7, it is characterised in that step In rapid six, first layer assembly frame and second layer assembly frame and between plank after the installation is completed, prestressing force is applied to first of anchor cable Up to the 70%-90% of design value, prestressing force is applied to the 20% of design value to second anchor cable；Third layer assembly frame and assembled frame Between plank after the installation is completed, to second anchor cable apply prestressing force reach design value 70%-90%, to third road anchor cable apply Prestressing force is to the 20% of design value, each layer of supporting later.