DE202023104642U1 - Civil engineering pit support structure for land reclamation sludge layers - Google Patents

Abstract

Civil engineering pit support structure for land reclamation sludge layers, comprising an extension frame (2), characterized in that a support frame (1) is arranged on the bottom of the extension frame (2), with the interior of the support frame (1) having a plurality of support crossbars (11) and a plurality of vertical reinforcing plates ( 12) are firmly connected, and with a plurality of crossbars (3) and a plurality of vertical plates (4) being firmly connected to the interior of the extension frame (2), and at the top of the vertical plates (4) and the support crossbars (11) respectively a plurality of square grooves (13) are provided, and a plurality of anchoring rods (16) are firmly connected to the outside of the support frame (1), and a rubber cover (17) and a base plate (18) are placed on the outside of the anchoring rod (16). are.

Description

TECHNICAL FIELD

The present utility model relates to the technical field of excavation pit support and a support structure, in particular a civil excavation pit support structure for land reclamation sludge layers.

STATE OF THE ART

Shipyards, logistics centers, petroleum tanks and civil infrastructure are being built on the coasts and beaches of islands and peninsulas, but with the rapid construction of these facilities, the construction land is obviously insufficient to meet the needs for the construction land, land reclamation and expansion is being carried out in various dividing the coasts, islands and peninsulas carried out at a rapid pace.

Deep excavation pits are dug in the land reclamation soil layer in which the basic support structure for the land reclamation is embedded. But the land reclamation area is affected by seawater for a long time, the soil layer becomes relatively soft or even a layer of mud exists, which causes the dug deep excavation pits to be easily filled by the soil and mud collapsed from the side wall, affecting the progress of the land reclamation project.

CONTENT OF THIS USER MODEL

The present utility model is realized by the following technical solution: an underground mine support structure for land reclamation mud layers, comprising an extension frame, wherein a support frame is arranged on the bottom of the extension frame, and wherein the force exerted on the support frame by the seabed mud on the outside of the support frame comes from the support frame is guided downward to reduce the possibility of deformation of the support frame due to the outer bottom being pushed out and to protect the support frame; and wherein a plurality of support crossbars and a plurality of vertical reinforcing plates are firmly connected to the interior of the support frame, and a plurality of crossbars and a plurality of vertical plates are firmly connected to the interior of the extension frame, and wherein a plurality of square grooves are provided at the top of the vertical plates and the support crossbars are, and wherein a plurality of anchoring rods are firmly connected to the outside of the support frame, and wherein the plurality of anchoring rods limit the position of the support frame to increase the contact support points between the support frame and the soil layer mud, which ensures that the support frame is under the action of the external The shear force exerted by the soil layer mud remains in its original location; and wherein a rubber sleeve and a bottom plate are placed on the outside of the anchor rod, and wherein the rubber sleeve seals and protects the anchor rod to reduce the rate of corrosion of the anchor rod from the seabed mud and to protect the anchor rod.

Preferably, the plurality of crossbars each penetrate the plurality of vertical plates, the plurality of support crossbars each penetrate the plurality of vertical reinforcement plates, and the reinforced support structure of the plurality of support crossbars and the plurality of vertical reinforcement plates supports the interior of the support frame to prevent large deformation of the support frame , when pushed through outer soil.

A positioning plate is preferably firmly connected to the bottom of the extension frame, a recess being provided at the top of the support frame, and the positioning plate being arranged inside the recess, and the positioning plate attached to the extension frame being located inside the recess provided on the support frame is pushed to install the extension frame at the top of the support frame.

Preferably, a plurality of square panels are arranged at the top of the inner cavity of the extension frame, with a plurality of longitudinal square panels firmly connected between the plurality of square panels, and an installation frame, which is formed by the attachment of the plurality of square panels and the plurality of longitudinal ones, by means of a lifting ring square plates is formed, is lifted.

Preferably, an installation seat is firmly connected to the tip of a square plate, a vertical connecting rod being rotatably connected to the interior of the installation seat, and a lifting ring being firmly connected to the tip of the vertical connecting rod, and the vertical connecting rod attached to the lifting ring and the installation seat attached to the fixed insert plate are rotatably connected to each other, therefore the installation frame can rotate on the bottom of the lifting ring.

Preferably, a plurality of fixed insert plates are firmly connected to the bottom of the square plate, with the installation frame being moved downward so that the fixed insert plates penetrate the square grooves to install the support frame and the extension frame together. The several solid insert plates each penetrate the several square grooves. The movement of the extension frame is limited by the multiple fixed insert plates to complete the installation of the extension frame at the top of the support frame.

Preferably, a base plate is firmly attached to the bottom of the outside of the anchoring rod, with an annular vertical groove being provided at the tip of the base plate. The arrangement of the base plate provided with the annular vertical groove determines the contact surface between the anchoring rod and the seabed mud and the direction the force is increased, which guarantees the stability of the support frame, which remains in its original place.

1. 1. bei der Tiefbaugrubenabstützkonstruktion für Landgewinnungsschlammschichten wird der Abstützrahmen als Ganzes in der Form mit einem großen oberen Teil und einem kleinen unteren Teil angeordnet, nachdem der Abstützrahmen in die tiefe Baugrube der Meeresbodenschlamm eingebettet war, wird die Außenseite des Abstützrahmens als eine nach unten gerichtete geneigte Fläche eingestellt; deshalb wird die von dem Meeresbodenschlamm an der Außenseite des Abstützrahmens auf den Abstützrahmen ausgeübte Kraft von dem Abstützrahmen nach unten geführt, um die Möglichkeit der Verformung des Abstützrahmens aufgrund des Herausdrückens des äußeren Bodens zu verringern, den Abstützrahmen zu schützen und die Verformung und Beschädigung des Abstützrahmens zu verlangsamen, was sicherstellt, dass der Abstützrahmen die Seitenwand der Baugrube für eine lange Zeit und mit einer guten Qualität abstützt, und verhindert, dass die Baugruben durch den von der Seitenwand zusammengebrochenen Boden und Schlamm gefüllt wird;
2. 2. bei der Tiefbaugrubenabstützkonstruktion für Landgewinnungsschlammschichten stützt die verstärkte Stützkonstruktion aus den mehreren Stützquerstangen und den mehreren vertikalen Verstärkungsplatten das Innere des Abstützrahmens, um eine große Verformung des Abstützrahmens zu verhindern, wenn er durch äußeren Boden gedrückt wird, die mehreren Verankerungsstangen begrenzen die Position des Abstützrahmens, um die Kontaktstützpunkte zwischen dem Abstützrahmen und dem Bodenschichtschlamm zu vermehren, was sicherstellt, dass der Abstützrahmen unter Wirkung der von dem äußeren Bodenschichtschlamm ausgeübten Schubkraft an ursprünglichem Ort bleibt, um die Stabilität des Abstützrahmens zu verbessern, durch die Gummihülle wird die Verankerungsstange abgedichtet und geschützt, um die Korrosionsgeschwindigkeit der Verankerungsstange von dem Meeresbodenschlamm zu reduzieren und die Verankerungsstange zu schützen; ferner werden durch die Anordnung der mit der ringförmigen vertikalen Nut versehene Bodenplatte die Kontaktfläche zwischen der Verankerungsstange und dem Meeresbodenschlamm und die Richtung der Kraft vergrößert, was die Stabilität des Abstützrahmens, der an ursprünglichem Ort bleibt, garantiert;
3. 3. bei der Tiefbaugrubenabstützkonstruktion für Landgewinnungsschlammschichten werden der Abstützrahmen und der Verlängerungsrahmen zusammen installiert, so dass die Bewegung des Verlängerungsrahmens von den mehreren festen Einsteckplatten begrenzt wird, um die Installation des Verlängerungsrahmens an der Spitze des Abstützrahmens zu vervollständigen, an der Spitze des Abstützrahmens kann eine Hilfsabstützkonstruktion schnell installiert werden, die aus einem Verlängerungsrahmen, mehreren Querstangen und mehreren vertikalen Platten besteht, um das abgestützte Volumen der Baugrube im Meeresbodenschlamm zu vergrößern und zu vermeiden, dass der Meeresbodenschlamm in der Umgebung der Baugrube zusammenbricht und sich bewegt und somit die Baugrube füllt.

The present utility model provides a civil engineering pit support structure for land reclamation sludge layers, which has the following advantages:

1. 1. In the deep excavation pit supporting structure for land reclamation mud layers, the supporting frame is arranged as a whole in the mold with a large upper part and a small lower part, after the supporting frame was embedded in the deep excavation pit of the seabed mud, the outside of the supporting frame is as a downward inclined area set; Therefore, the force exerted on the support frame by the seabed mud on the outside of the support frame is guided downward by the support frame to reduce the possibility of deformation of the support frame due to the outer bottom being pushed out, to protect the support frame and to prevent the deformation and damage of the support frame to slow down, which ensures that the support frame supports the side wall of the excavation for a long time and with a good quality, and prevents the excavation from being filled by the soil and mud collapsed from the side wall;
2. 2. In the underground mine support structure for land reclamation mud layers, the reinforced support structure composed of the multiple support crossbars and the multiple vertical reinforcing plates supports the inside of the support frame to prevent large deformation of the support frame when pressed by external soil, the multiple anchoring bars limit the position of the support frame , to increase the contact support points between the support frame and the soil layer mud, which ensures that the support frame remains in the original place under the effect of the thrust force exerted by the outer soil layer mud, to improve the stability of the support frame, through the rubber sleeve, the anchoring rod is sealed and protected to reduce the corrosion rate of the anchor rod from the seabed mud and protect the anchor rod; further, by arranging the bottom plate provided with the annular vertical groove, the contact area between the anchor rod and the seabed mud and the direction of the force are increased, which guarantees the stability of the support frame remaining in the original place;
3. 3. In the land reclamation sludge layer underground mine support structure, the support frame and the extension frame are installed together, so that the movement of the extension frame is limited by the multiple fixed insert plates, to complete the installation of the extension frame at the top of the support frame, at the top of the support frame can be one Auxiliary support structure can be quickly installed, which consists of an extension frame, several crossbars and several vertical plates, to increase the supported volume of the excavation pit in the seabed mud and avoid the seabed mud in the surroundings of the excavation pit from collapsing and moving and thus filling the excavation pit.

BRIEF DESCRIPTION OF THE DRAWINGS

• 1 shows a schematic diagram of the overall structure of the present utility model.
• 2 shows a schematic structural view of an extension frame of the present utility model.
• 3 shows a schematic diagram of a partial structure of the rubber cover of the present utility model.
• 4 shows a schematic structural view of a lifting ring of the present utility model.

DETAILED DESCRIPTION

An embodiment of the present utility model provides an underground mine support structure for land reclamation sludge layers.

Please refer 1 , 2 , 3 and 4 , the underground mine support structure comprises an extension frame 2, a support frame 1 being arranged on the bottom of the extension frame 2, and a plurality of support crossbars 11 and a plurality of vertical reinforcing plates 12 being firmly connected to the interior of the support frame 1, and the plurality of crossbars 3 each being the plurality vertical plates 4 penetrate, and wherein the plurality of support crossbars 11 each penetrate the plurality of vertical reinforcing plates 12, and wherein a plurality of crossbars 3 and a plurality of vertical plates 4 are firmly connected to the interior of the extension frame 2, and wherein at the top of the vertical plates 4 and the Support crossbars 11 each have a plurality of square grooves 13 provided, and a positioning plate 14 is firmly connected to the bottom of the extension frame 2, and a recess 15 is provided at the top of the support frame 1, and the positioning plate 14 is arranged inside the recess 15 is, and wherein at the top of the inner cavity of the extension frame 2 a plurality of square plates 5 are arranged, and wherein between the several square plates 5 a plurality of longitudinal square plates 7 are firmly connected, and with a plurality of anchoring rods 16 firmly connected to the outside of the support frame 1 are, and wherein on the outside of the anchoring rod 16 a rubber sleeve 17 and a base plate 18 are placed, and wherein a base plate 18 is firmly placed on the bottom of the outside of the anchoring rod 16, and wherein at the tip of the base plate 18 an annular vertical groove 19 is provided.

When using the present utility model, the support frame 1 is arranged as a whole in the mold with a large upper part and a small lower part, after the support frame 1 was embedded in the deep excavation pit of the seabed mud, the outside of the support frame 1 becomes one down directed inclined surface is set, therefore, the force exerted on the support frame 1 by the seabed mud on the outside of the support frame 1 is guided downward by the support frame 1 to reduce the possibility of deformation of the support frame 1 due to the outer bottom being pushed out, the support frame 1 to protect and slow down the deformation and damage of the support frame 1, which ensures that the support frame 1 supports the side wall of the excavation for a long time and with a good quality, and prevents the excavation from being collapsed by the soil collapsed from the side wall and mud is filled. With the interior of the support frame 1, a plurality of support crossbars 11 and a plurality of vertical reinforcing plates 12 are firmly connected, the support crossbars 11 and the vertical reinforcing plates 12 being arranged vertically, with the arrangement of the reinforced support structure from the plurality of support crossbars 11 and the plurality of vertical reinforcing plates 12 Interior of the support frame 1 supported to prevent large deformation of the support frame 1 when pressed by external floor.

A plurality of anchoring rods 16 are firmly connected to the outside of the support frame 1, with the arrangement of the plurality of anchoring rods, the position of the support frame 1 is limited in order to increase the contact points between the support frame 1 and the soil layer sludge, which ensures that the support frame 1 under the effect of Thrust force exerted by the outer soil layer sludge remains in its original location in order to improve the stability of the support frame 1. Furthermore, a rubber sleeve 17 and a base plate 18 are placed on the outside of the anchoring rod 16, the anchoring rod 16 is sealed and protected by the rubber sleeve 17 in order to reduce the corrosion rate of the anchoring rod 16 from the seabed mud and to protect the anchoring rod 16. Furthermore, by arranging the bottom plate 18 provided with the annular vertical groove 19, the contact area between the anchor rod 16 and the seabed mud and the direction of the force are increased, which guarantees the stability of the support frame 1 remaining in the original place.

See further 1 , 2 and 4 , an installation seat 10 is fixedly connected to the tip of a square plate 5, a vertical connecting rod 9 being rotatably connected to the interior of the installation seat 10, and a lifting ring 8 being fixedly connected to the tip of the vertical connecting rod 9, and with which At the bottom of the square plate 5, several fixed insert plates 6 are firmly connected, and the several fixed insert plates 6 each penetrate the several square grooves 13.

When using the present utility model, the positioning plate 14 attached to the extension frame 2 is pushed into the interior of the recess 15 provided on the support frame 1 in order to close the extension frame 2 at the tip of the support frame 1 to install. Then, by a lifting ring 8, an installation frame formed by attaching the plurality of square plates 5 and the plurality of longitudinal square plates 7 is lifted, further the vertical connecting rod 9 fixed to the lifting ring 8 and that fixed to the fixed insert plate 6 are raised Installation seat 10 rotatably connected to each other, therefore the installation frame can rotate on the bottom of the lifting ring 8.

When pushing the installation frame to rotate, the fixed insert plates 6 are flush with the square grooves 13, then the installation frame is moved downward so that the fixed insert plates 6 penetrate the square grooves 13, thereby allowing the support frame 1 and the extension frame 2 to be installed together so that the movement of the extension frame 2 is limited by the plurality of fixed insert plates 6 to complete the installation of the extension frame 2 at the top of the support frame 1, and at the top of the support frame 1, an auxiliary support structure can be quickly installed, which consists of a Extension frame 2, several crossbars 3 and several vertical plates 4 exist in order to increase the supported volume of the excavation pit in the seabed mud and to prevent the seabed mud from collapsing and moving in the vicinity of the excavation pit and thus filling the excavation pit.

Reference symbol list

1

Support frame

2

Extension frame

3

crossbar

4

Vertical plate

5

Square plate

6

Fixed insert plate

7

Longitudinal square plate

8th

lifting ring

9

Vertical connecting rod

10

Installation seat

11

Support crossbar

12

Vertical reinforcement plate

13

Square groove

14

Positioning plate

15

recess

16

anchor rod

17

Rubber cover

18

base plate

19

Annular vertical groove

Claims (7)

Civil engineering pit support structure for land reclamation sludge layers, comprising an extension frame (2), characterized in that a support frame (1) is arranged on the bottom of the extension frame (2), with the interior of the support frame (1) having a plurality of support crossbars (11) and a plurality of vertical reinforcing plates ( 12) are firmly connected, and with a plurality of crossbars (3) and a plurality of vertical plates (4) being firmly connected to the interior of the extension frame (2), and at the top of the vertical plates (4) and the support crossbars (11) respectively a plurality of square grooves (13) are provided, and a plurality of anchoring rods (16) are firmly connected to the outside of the support frame (1), and a rubber cover (17) and a base plate (18) are placed on the outside of the anchoring rod (16). are. Civil engineering pit support structure for land reclamation sludge layers Claim 1 , characterized in that the plurality of crossbars (3) each penetrate the plurality of vertical plates (4), the plurality of support crossbars (11) each penetrating the plurality of vertical reinforcing plates (12). Civil engineering pit support structure for land reclamation sludge layers Claim 1 , characterized in that a positioning plate (14) is firmly connected to the bottom of the extension frame (2), a recess (15) being provided at the top of the support frame (1), and the positioning plate (14) inside the recess (15) is arranged. Civil engineering pit support structure for land reclamation sludge layers Claim 1 , characterized in that a plurality of square plates (5) are arranged at the tip of the inner cavity of the extension frame (2), with a plurality of longitudinal square plates (7) being firmly connected between the several square plates (5). Civil engineering pit support structure for land reclamation sludge layers Claim 4 , characterized in that an installation seat (10) is firmly connected to the tip of a square plate (5), a vertical connecting rod (9) being rotatably connected to the interior of the installation seat (10), and with a lifting ring (8) is firmly connected to the tip of the vertical connecting rod (9). Civil engineering pit support structure for land reclamation sludge layers Claim 4 , characterized in that several fixed insert plates (6) are firmly connected to the bottom of the square plate (5), the several fixed insert plates (6) each penetrating the several square grooves. Civil engineering pit support structure for land reclamation sludge layers Claim 1 , characterized in that a base plate (18) is firmly placed on the bottom of the outside of the anchoring rod (16), an annular vertical groove (19) being provided at the tip of the base plate (18).

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