CN2546500Y

CN2546500Y - Precast assembling concrete manhole

Info

Publication number: CN2546500Y
Application number: CN 02232581
Authority: CN
Inventors: 曹生龙; 萧岩; 李林呈; 盛勤跃; 陈辉
Original assignee: Beijing Municipal Engineering Research Institute
Current assignee: Beijing Municipal Engineering Research Institute
Priority date: 2002-04-17
Filing date: 2002-04-17
Publication date: 2003-04-23
Anticipated expiration: 2012-04-17

Abstract

Disclosed is a prefabricated concrete inspection chamber. The chamber space and the chamber cylinder are both consolidated by precast reinforced concrete regulating splits. The inspection can be shaped like roundness, sector or rectangle. The vertical seams between every two regulating splits are in groove joint and are sealed by polyurethane, rubber bands or cement mortar; and the horizontal seams between every two regulating splits are in bolt connection and are sealed also by polyurethane, rubber bands or cement mortar. The chamber space and the pipelines are provided with faucets, while the joint pars are sealed by rubber bands or mortar. The chamber space and the chamber cylinder are respectively formed by supposed or side-connected regulating splits of different modulus. The socket type reinforced concrete drain pipe which has no base laid down is combined with the prefabricated concrete inspection chamber and can be matched with a flexible connector drain pipe to realize rapid construction in pipe assembly. The inspection chamber which needs no clay bricks is favorable for environmental protection; with more rapid construction speed, higher quality and higher compressive strength than the brick inspection chamber, the utility model which helps solve the problem of the road walling crib collapse is applicable for municipal main roads and the tube wells of various underground pipelines.

Description

The prefabricated assembled concrete manhole

Technical field

The utility model relates to a kind of underground pipeline manhole.

Technical background

Existing underground pipeline manhole adopts loam brick to be built into, and its intensity is low, and speed of application is slow, easy to leak, poor durability; be unfavorable for urban traffic; also be unfavorable for protection, and use loam brick to cause the clay resource waste in a large number, do not meet environmental protection policy underground water resource.Present many local governments regulation: except that the peasant on house site the self-built low story dwelling, all construction works and municipal engineering construction ban use of clay solid brick.It is particularly necessary to carry out the prefabricated assembled concrete manhole in this case.

Technology contents

The utility model solves that the underground pipeline manhole intensity that existing loam brick is built into is low, speed of application slow, easy to leak, poor durability, waste clay resource, be unfavorable for urban traffic, be unfavorable for groundwater resources protection, be unfavorable for the problem of environmental protection.

The technical scheme of prefabricated assembled concrete manhole: be linked to be integral body from bottom to top by base plate, well chamber, pit shaft, between well chamber and the pit shaft cover plate is arranged, be equipped with walling crib, well lid on the pit shaft, it is characterized in that: it is assembled that base plate, well chamber, pit shaft are regulated piece by prefabricated reinforced concrete.

The shape of the prefabricated assembled concrete manhole of above-mentioned assembly unit has circle, fan-shaped or rectangle.

Above-mentioned respectively the adjusting between the piece, the seam of vertical direction are that tongue and groove connects.

The seam of above-mentioned vertical direction is by polyurethane or cement mortar or seal with elastometic washer.

Above-mentioned respectively the adjusting between the piece, the seam of horizontal direction are that bolt connects.

The seam of above-mentioned horizontal direction is by polyurethane or cement mortar sealing.

Above-mentioned well chamber and pipeline be connected with rigid interface or flexible interface.

There are bellmouth or socket in above-mentioned well chamber, and pipeline has socket or bellmouth, and interface is by sealing ring or mortar sealing.

Beneficial effect: the prefabricated assembled concrete manhole is finished by reinforced concrete prefabricated, and stacked or side connects assembled by the adjusting piece of different moduluses for well chamber and pit shaft; It can be supporting with the flexible interface gutter, realizes the rapid construction of pipeline assemblingization.The prefabricated assembled concrete manhole does not use loam brick, helps protecting environment; More brick manhole speed of application is fast, quality is high, and the compressive resistance height can stand rolling of heavy-duty machinery, helps solving the problem of subsiding of road walling crib.The progress that the change of underground pipeline manhole is accompanied by gutter diatom construction technology does not have Guan Ji and lays with inserting formula reinforced concrete sewer pipe road, cooperate the prefabricated assembled concrete manhole, accelerated the drainage pipe construction speed greatly, improved workmanship, reduce environment pollution, be applicable to the pipe well of municipal main line and various underground installation pipelines.

Description of drawings

Fig. 1 is the structural representation that the utility model embodiment circle flushes the well chamber;

Fig. 2 is the structural representation of the circular closing in well of the utility model embodiment chamber;

Fig. 3 is the vertical view of fan-shaped well chamber;

Fig. 4 is the I-I sectional drawing of Fig. 3;

Fig. 5 is the II-II sectional drawing of Fig. 3;

Fig. 6 is the vertical view of rectangular well chamber;

Fig. 7 is the I-I sectional drawing of Fig. 6;

Fig. 8 is the II-II sectional drawing of Fig. 6;

Fig. 9 is the structural representation of A node among Fig. 7;

Figure 10 regulates the schematic diagram that piece connects into pit shaft;

Figure 11 is a shape schematic diagram of regulating piece;

Figure 12 is the structural representation of B node among Figure 10;

Figure 13 is the vertical view that pit shaft is connected with pipeline;

Figure 14 is the I-I sectional drawing of Figure 13;

Figure 15 is the II-II sectional drawing of Figure 13;

Figure 16 is the structural representation of C node among Figure 14.

Among the figure: 1-base plate, 2-well chamber, 3-pit shaft, 4-cover plate, 5-walling crib, 6-well lid, 7,7 '-regulate that piece, 8-seam, 9-are marked time, chamber, 12-closing in, 13-chute, 14-pin nest, 15-socket, 16-bellmouth, 17-pipeline, 18-preformed hole, 19-bolt are gone into the well in the last well of 10-chamber, 11-.

The specific embodiment

As shown in Figure 1, 2, the prefabricated assembled concrete manhole, be linked to be integral body from bottom to top by base plate 1, well chamber 2, pit shaft 3, cover plate 4 is arranged between well chamber and the pit shaft, be equipped with walling crib 5, well lid 6 on the pit shaft, it is assembled that piece 7 is regulated by prefabricated reinforced concrete in Qi Jing chamber 2, pit shaft 3, shown in Figure 10,11,12.

Pit shaft can be made up of the adjusting piece 7 of seven kinds of different sizes, and modulus is 360mm, and the height of regulating piece 7 is 90cm, 140cm, 180cm, 360cm, 720cm, 1440cm, 2160cm respectively, and internal diameter is two kinds of 700mm and 800mm.When prefabricated, regulate on the piece hoisting ring should be set, regulate piece C25 concrete for making.

The circular well chamber can be divided into the well chamber 10 and chamber 11 two parts of going into the well, and last well chamber calibrated altitude is 1440mm, and the chamber height of going into the well is the 360mm+0.85 times of bore+thickness of pipe+pipe end to shaft bottom spacing 70mm.Well chamber and the connecting portion of pit shaft can flush or close up and 12 be connected, and the place of flushing is stamped cover plate 4.

Shown in Figure 10,12, each is regulated between the piece, and the seam of vertical direction is that tongue and groove connects, and the seam of vertical direction is by polyurethane or cement mortar sealing.The seam of horizontal direction can be that bolt 19 connects, and the seam of horizontal direction is by O type cushion rubber 8, polyurethane or cement mortar sealing.Its stability of structure is considered in rectangle and fan-shaped well chamber, and the well chamber is formed by connecting by bolt by four wooden partitions.

The shape of prefabricated assembled concrete manhole has circle, fan-shaped or rectangle.The physical dimension of manhole and adaptation pipeline:

Circular manhole diameter range Φ 700mm～Φ 2200mm adapts to pipe diameter Φ 200mm～Φ 1500mm, and upstream tube inserts scope can be between 90 °～270 °.

90 ° of crook holes of fan-shaped manhole adapt to pipe diameter Φ 700mm～Φ 2200mm.

120 ° of crook holes of fan-shaped manhole adapt to pipe diameter Φ 700mm～Φ 2200mm.

135 ° of crook holes of fan-shaped manhole adapt to pipe diameter Φ 700mm～Φ 2200mm.

150 ° of crook holes of fan-shaped manhole adapt to pipe diameter Φ 700mm～Φ 2200mm.

90 ° of two general formula manhole of rectangle adapts to pipe diameter Φ 700mm～Φ 2200mm.

90 ° of three way type manholes of rectangle adapt to pipe diameter Φ 700mm～Φ 2200mm.

90 ° of four-way formulas of rectangle manhole adapts to pipe diameter Φ 700mm～Φ 2200mm.

Shown in Figure 13,14,15,16, well chamber and pipeline be connected with rigid interface (shown in Fig. 7,9) or flexible interface (shown in Figure 14,16), there are bellmouth or socket 15 in the well chamber, pipeline has socket or bellmouth 16, interface is by sealing ring 8 or mortar sealing.The indoor chute 13 that is provided with of well.Insert each pipeline of prefabricated assembled manhole and flush, rain, the depth displacement when sewage inserts main line are reserved by main line in the sub-district branch line and adjusting for the interior top of pipe.

Shown in Fig. 4,7, on the prefabricated assembled concrete manhole chute wall pin nest 14 is arranged.Can reserve the preformed hole 18 that joins with pipeline 17 on the well locular wall.Its diameter is that external diameter of pipe adds 40mm.On the rainwater inspection well, the preformed hole that the inlet for stom water arm inserts is pressed the least favorable situation and reserved, and worst situation is meant: high at the bottom of the inlet for stom water is 1m under the road surface, and it is 25m that inlet for stom water props up length of tube, and the gradient is 1%.

Shown in Fig. 1,2,4,5,7,8,10,11,14,15, marking time of manhole 9 is equipped on the member in advance, and 9 the step pitch of marking time is 360mm, and the well chamber first step is located at 100mm place at the bottom of the cover plate, pit shaft is located at 100mm place, cover plate top to the cover plate first step, and the material of marking time is a plastic-steel.

Claims

1, a kind of prefabricated assembled concrete manhole, be linked to be integral body from bottom to top by base plate, well chamber, pit shaft, between well chamber and the pit shaft cover plate is arranged, be equipped with walling crib, well lid on the pit shaft, it is characterized in that: it is assembled that base plate, well chamber, pit shaft are regulated piece by prefabricated reinforced concrete.

2, prefabricated assembled concrete manhole according to claim 1 is characterized in that: the shape of the prefabricated assembled concrete manhole of described assembly unit has circle, fan-shaped or rectangle.

3, prefabricated assembled concrete manhole according to claim 1 and 2 is characterized in that: described respectively the adjusting between the piece, the seam of vertical direction are that tongue and groove connects.

4, prefabricated assembled concrete manhole according to claim 3, it is characterized in that: the seam of described vertical direction is by polyurethane, cement mortar or rubber sealing.

5, prefabricated assembled concrete manhole according to claim 1 and 2 is characterized in that: described respectively the adjusting between the piece, the seam of horizontal direction are that bolt connects.

6, prefabricated assembled concrete manhole according to claim 5 is characterized in that: the seam of described horizontal direction is by polyurethane or cement mortar sealing.

7, prefabricated assembled concrete manhole according to claim 1 and 2 is characterized in that: described well chamber and pipeline be connected with rigid interface or flexible interface.

8, prefabricated assembled concrete manhole according to claim 7 is characterized in that: there are bellmouth or socket in described well chamber, and pipeline has socket or bellmouth, and interface is by sealing ring or mortar sealing.