CN102261067A - Method for installing reinforcement cage of large-diameter ultra-long pile - Google Patents
Method for installing reinforcement cage of large-diameter ultra-long pile Download PDFInfo
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- CN102261067A CN102261067A CN2011101149359A CN201110114935A CN102261067A CN 102261067 A CN102261067 A CN 102261067A CN 2011101149359 A CN2011101149359 A CN 2011101149359A CN 201110114935 A CN201110114935 A CN 201110114935A CN 102261067 A CN102261067 A CN 102261067A
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- reinforcing cage
- suspender
- reinforcement cage
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- shoulder pole
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Abstract
The invention discloses a method for installing a reinforcement cage of a large-diameter ultra-long pile. The method comprises the following steps of: (1) connecting a lifting appliance to a first section of reinforcement cage, and lifting; (2) hanging the first section of reinforcement cage on a reinforcement hanging ring device, and disconnecting the lifting appliance and the first section of reinforcement cage; (3) connecting the lifting appliance to a second section of reinforcement cage, and lifting; (4) lifting the second section of reinforcement cage above the first section of reinforcement cage, and abutting joint; (5) descending the lifted butt joint reinforcement cage in a pre-set first-stage depth; (6) disconnecting the lifting appliance and the main reinforcement of the second section of reinforcement cage so that one construction cycle is completed; and (7) connecting the lifting appliance to a third section reinforcement cage and lifting, entering the next construction cycle, butting joint the reinforcement cages in sequence, and descending one stage by one stage till the first section of reinforcement cage reaches the bottom of a pile position. According to the method for installing the reinforcement cage disclosed by the invention, the problems, such as deformation, torsion, dislocation and the like, in the installation process of the reinforcement cage can be reduced; furthermore, the method is simple and effective and is flexible to use; and effects for saving energy and reducing consumption can be achieved.
Description
Technical field
The present invention relates to reinforcing cage processing and lifting construction field in Foundation Design or the pile foundation.
Background technology
The bridge foundation construction that span is big, water level is dark needs the bearing pile of major diameter, overlength, river, for example expensive wide railway north grand bridge 243
#, 244
#Pier is two king-tower cushion caps, adopts the low pile cap form, and the basis is 18 Φ 3.0m drilled piles, and designing pile length is respectively 95.6m, 102m, for the first deep water great diameter and long stake completely of expensive wide railway, is described as " expensive wide first ".
In view of big, long, the heavy characteristics of reinforcing cage, difficulty of processing increases, and the installation after processing is more than plain bars cage difficulty height, therefore crudy, the merging precision of reinforcing cage are all had higher requirement, consider the progress reason simultaneously, the processing of reinforcing cage and construction all need to develop a kind of novel technology, make it to meet the requirement of each side.
Along with the increase of reinforcing cage butt joint quantity, weight also increases, as weight by the reinforcing cage carrying upper reinforcement cage that is positioned at the bottom, and the easy compressive deformation of bottom reinforcement bars cage then, phenomenon such as be distorted causes the problems in the construction.
Summary of the invention
The object of the present invention is to provide the construction method of installation of a kind of major diameter, overlength reinforcing cage.
In order to reach the foregoing invention purpose, the present invention has adopted following technical scheme: a kind of great diameter and long pile cages mounting method may further comprise the steps:
(1) connects suspender and first segment reinforcing cage, and sling with lifting appliance and to be connected with the suspender of first segment reinforcing cage;
(2) the first segment reinforcing cage is hung and hangs on a reinforcing cage hanging ring device, remove being connected of described suspender and first segment reinforcing cage,
Described reinforcing cage hanging ring device comprises that one supports annulus and some brace summers, and described support annulus is surrounded by inner ring body, outer ring body, upper plate and lower shoe and forms a circular cylinder, and circular cylinder along the circumferential direction is evenly equipped with several radial perforations; Described brace summer is processed dorsad by two channel-section steels or shaped steel and is connected and composed, and removably is inserted in the radial perforation of described support annulus;
(3) connect the suspender and the second joint reinforcing cage, and sling with lifting appliance and to be connected with second suspender that saves reinforcing cage;
(4) the second joint reinforcing cage is hung in first segment reinforcing cage top, contraposition makes the main muscle butt joint of two joint reinforcing cages;
(5) sling to the reinforcing cage that connects, and remove of the suspension strut of described reinforcing cage hanging ring to the first segment reinforcing cage, the first segment reinforcing cage is transferred to the default first order degree of depth, and the top of saving reinforcing cage this moment second is positioned at the support annulus inside of described reinforcing cage hanging ring;
(6) brace summer is inserted described reinforcing cage hanging ring slotted eye, make the stirrup of the second joint reinforcing cage hang on described brace summer, and remove suspender and second and save being connected of reinforcing cage master muscle, finish a construction circulation;
(7) connect suspender and the 3rd joint reinforcing cage, and sling with lifting appliance and to connect the suspender of the 3rd joint reinforcing cage, enter next construction circulation, to connecting reinforcing cage, transfer step by step successively, arrive bottom the stake position until the first segment reinforcing cage.
Wherein, described suspender comprises at least one combination shoulder pole girder, and described combination shoulder pole girder main body is processed dorsad by two channel-section steels or shaped steel etc. and connected and composed, and the upside of described combination shoulder pole girder main body is provided with two pairs, and upward hanger, downside are provided with two pairs of following hangers; Reach and the described identical connector of hanger quantity down, the top of described connector is hanger, and the bottom is the main body that is provided with groove; Reach at least one suspension ring, be connected between described hanger down and the connector hanger; And some wire rope.
As optional mode, described combination shoulder pole girder main body is passed through welding by two channel-section steels, or is spirally connected, or clamping, or rabbets the one that is welded dorsad.
Preferably, described suspender comprises two described combination shoulder pole girders that be arranged in parallel and is arranged between two combination shoulder pole girders and two vertical with it connecting rods, described two connecting rod two ends are fixedly connected on two combination shoulder pole girders, constitute " well " font, and this structure can add large bearing capacity.
The main muscle butt joint back of described two joint reinforcing cages is fixed with the sleeve socket.
Specifically, the last hanger of described combination shoulder pole girder directly or be suspended on the end of the wire rope that is hooked in boom hoisting by suspension ring, the following hanger of described combination shoulder pole girder directly is connected by suspension ring with the hanger of connector, or connects by suspension ring and the wire rope that is connected between suspension ring; Be equipped with wire rope on the groove of described connector, the end of wire rope is connected in the main muscle and the stirrup of reinforcing cage.
Described brace summer length is greater than the diameter of described support annulus, and be set up between two radial perforations of the same diameter in described support annulus baseplane, this structure helps increasing stressed floor space, also has enough ability to bears on the steel casing even the hanging ring device is positioned over.
Described brace summer is to pass through welding by two channel-section steels, or is spirally connected, or clamping, or interlocking fuses.
Reinforcing cage mounting method of the present invention adopts the supporting apparatus of the strong reinforcing cage hanging ring of bearing capacity as reinforcing cage, and adopt special hanger to lift by crane, finish reinforcing cage lifting, interim hang the cyclic process of placing, docking, transfer suspension, the reinforcing cage that connects is positioned at a hole with suspension status, has avoided occurring the bottom reinforcement bars cage owing to bearing problems such as the excessive distortion that causes of upper pressure, distortion, dislocation.Mounting method of the present invention is simple and effective, uses flexibly, can reach the effect of energy-saving consumption-reducing.
Description of drawings
Fig. 1 a is the facade structures schematic diagram of yi word pattern shoulder pole girder.
Fig. 1 b is the A-A sectional drawing of Fig. 1 a.
Fig. 1 c is the B-B sectional drawing of Fig. 1 a.
Fig. 1 d bows to view for Fig. 1 a's.
Fig. 2 is the connector construction schematic diagram.
Fig. 3 uses schematic diagram for suspender.
Fig. 4 is the plane structure schematic diagram of intersecting parallels shoulder pole girder.
Fig. 5 is the plane structure schematic diagram of the hanging ring of wherein a kind of embodiment.
Fig. 6 is the facade cut-away diagram of Fig. 5.
Fig. 7 is the hanging ring plane structure schematic diagram of another kind of embodiment.
Fig. 8 is the facade cut-away diagram of Fig. 7.
The specific embodiment
Now the invention will be further described in conjunction with the accompanying drawings.
(1) processing of reinforcing cage.
Consider that what the present invention is directed to is the large-scale reinforcement cage of major diameter, Heavy Weight, adds and adopts long-line pedestal method man-hour.
Steel bar end need carry out tack to be handled, again the ripping rib and rolling depressing screw thread.The purpose of tack is to make the reinforcing bar end face vertical with the mother metal axis direction, should adopt Abrasive cutting off machine or other special-purpose cut-out equipment, forbids gas cutting.The ripping rib and rolling depressing screw thread is to use reinforcing bar peel rolled straight thread machine that the end machining of reinforcing bar to be connected is become screw thread.After an inspection of steel reinforcement bars silk quality after roll extrusion is intact meets the requirements,, put plastic protective sleeve again, neatly be stacked at the semiproduct district with abrasive machine equating termination once more.
Reinforcing cage adds man-hour, earlier main muscle is put on loose tool by the order that staggers, and the main muscle welding of strengthening afterwards on stirrup and the loose tool is fixing, and strengthening stirrup should be vertical, binds round by the spacing remaining main muscle of burn-oning processing again.Reinforcing cage adds and should from one end to the other side carry out man-hour, and main muscle is put and drawn logical line, guarantees straightly, and adjacent reinforcing bar butt joint is tight.The following 47.2m scope master muscle in stake top adopts radially two muscle to arrange, standard knot length 12m, and the heavy 6t of wherein main muscle single reinforcement single-unit cage, the heavy 13t of the two muscle single-unit cages of main muscle is respectively by 76 and 152 main muscle reinforcement cage skeletons that Φ 32mm reinforcing bar is formed.
The reinforcing cage that processes rear standard by inspection hangs down production line, deposits in and examines the district.
(2) installation of reinforcing cage
Reinforcing cage adopts flat car to be transported to the scene, is welded with on the flat car according to the fixing reinforcing cage of the punching block of cage external diameter processing, prevents that transportation is out of shape.
The suspender and the hanging ring device of transferring the processing of employing specialized designs of reinforcing cage are transported to platform, can adopt a straddle truck and a mobile crane to cooperate and install.Describe in detail as follows.
(1) for preventing reinforcing cage distortion when lifting is installed, adopts special hanger during lifting.
This suspender 100 mainly comprises combination shoulder pole girder, connector and the wire rope shown in Fig. 1～3.[28 channel-section steels 110 weld dorsad, constitute the combination shoulder pole girder main body of " worker " font to adopt two.The relative hanger 111 that is respectively equipped with downside of upside in the shoulder pole girder main body reaches hanger 112 down, the bottom at shoulder pole girder main body two ends is respectively equipped with the auxiliary hanger 113 of reinforcing cage, can adopt rope to pass through fixedly reinforcing cage of auxiliary hanger 113 during lifting, to prevent the reinforcing cage swing, also can make reinforcing cage in time in place, make things convenient for fitting operation.
The top of connector 120 is hanger 121, and its underpart main body 122 is provided with groove, can be used for wearing wire rope.
Also can be connected between following hanger 112 and the hanger 121 by the direct hook of one or two suspension ring.
Except the form of above " one " font shoulder pole girder, the king-sized reinforcing cage of weight and diameter adopts " well " font suspender, and its structure as shown in Figure 4.Two channel-section steels 10 weld dorsad, constitute the combination shoulder pole girder main body of " worker " font.Be arranged in parallel two and make up the shoulder pole girder main body, and be connected and fixed, form " well " font structure with two vertical with it connecting rods 150.Combination shoulder pole girder bottom respectively is provided with two following hangers, and two reinforcing cages in end are assisted hanger.Number of connectors is identical with the quantity of following hanger.Each links to each other with connector, thereby constitutes whole suspender by suspension ring, wire rope in the hanger bottom down.
Utilize the main muscle and the stirrup of reinforcing cage to be connected with connector, the lifting reinforcing cage as connector.
(2) adopt reinforcing cage hanging ring device
Because the reinforcing cage diameter is big, weight is big, can not adopt the conventional mode that the aperture shoulder pole girder is set to support the reinforcing cage of putting into the hole during the reinforcing cage butt joint.For this reason, need a kind of reinforcing cage suspension arrangement of design to solve the support and the suspension orientation problem of reinforcing cage.The present invention adopts the reinforcing cage hanging ring shown in Fig. 5～6 to realize.The main body of reinforcing cage hanging ring 200 is a support annulus 211, and this support annulus is surrounded by inner ring body, outer ring body, upper plate and lower shoe and forms a circular cylinder, and circular cylinder along the circumferential direction is evenly equipped with several slotted eyes 212.Be inserted with a brace summer 220 in each slotted eye, [12 channel-section steels or other shaped steel connect and compose as i iron etc., dorsad by the reinforcement stirrup of brace summer support reinforcing cage by two for every brace summer, reinforcing cage is hung on the ring, the weight of reinforcing cage can be allocated on the ring uniformly.Hanging ring is supported on steel casing or the operation platform, is positioned at a top, hole.
Consider the steel casing stressed a little less than, base 230 can be set at the bottom of hanging ring, the internal diameter of base is between the internal diameter and external diameter that support the annulus lower shoe, the external diameter of base is greater than 5～20 centimetres of the external diameters that supports the annulus lower shoe.The hanging ring structure is shown in Fig. 7～8.
(3) reinforcing cage butt joint construction sequence:
3.1 spelling suspender 100;
3.2 wire rope 131 hangs on boom hoisting, its lower end hangs by suspension ring 140 and goes up hanger 111; Boom hoisting adopts straddle truck or the mobile crane lifting on the platform;
3.3 following hanger 112 can directly be connected by one or two suspension ring 140 with the hanger 121 of connector, also can connect with wire rope 132 between two suspension ring 140, as shown in Figure 3;
3.4 pass a wire rope 133 on the groove of each connector 120, the end of wire rope 133 connects the main muscle and the stirrup of first segment reinforcing cage;
3.5 the reinforcing cage hanging ring supports annulus and is placed on steel casing top or the operation platform, top, stake hole, the internal diameter of reinforcing cage hanging ring is greater than aperture, stake hole, move and put to the stake hole with the suspender first segment reinforcing cage of slinging, at the slotted eye interpolation upper support beam that supports annulus, make the first segment reinforcing cage hang on the reinforcing cage hanging ring, dismounting wire rope 133 is connected with first segment reinforcing cage master's muscle;
3.6 as step 3.4 end of wire rope 133 is connected in the main muscle and the stirrup of the second joint reinforcing cage, and the second joint reinforcing cage of slinging, move to first segment reinforcing cage top, contraposition;
3.7 use steel bushing that the second joint reinforcing cage is docked with the main muscle of first segment reinforcing cage, the sleeve employing extended type matrix that locks is tightened sleeve, the connecting reinforcement cage;
3.8 pull out brace summer from supporting in the annulus slotted eye, the reinforcing cage that connects is transferred to the stake hole, regulate reinforcing cage position and verticality and make satisfied design and code requirement, transfer reinforcing cage to the predetermined first order degree of depth, this moment second, the joint reinforcing cage was positioned at reinforcing cage hanging ring ring, plug brace summer, the second joint reinforcing cage stirrup is hung on the hanging ring, remove wire rope 133 and save being connected of reinforcing cage master's muscle with second;
3.9 as step 3.4 end of wire rope is connected in the main muscle and the stirrup of the 3rd joint reinforcing cage, and with suspender the 3rd joint reinforcing cage of slinging, moves to the second joint reinforcing cage top, the construction in following step circulates.
Reinforcing cage is docked by above steps in sequence, transfer reinforcing cage along with the length increase step by step, arrive bottom, stake hole until the first segment reinforcing cage that is positioned at bottommost to connecting.
(3) reinforcing cage location
The location of reinforcing cage comprises vertical location and two aspects of plane positioning.
When high, positioning difficulty is big apart from steel casing end face and operation platform apex distance for the reinforcing cage end face.In order to solve vertical and plane orientation problem, in the following ways:
1). vertical location
The method of the vertical location of reinforcing cage realizes by " spreading suspension cage ".Utilize the reinforcing cage of spreading to locate.
2). plane positioning
Measure off normal and gradient data inverse when installing, the spacing reinforcing bar of reinforcing cage is set, the plan-position of control reinforcing cage at place, stake top and spreading reinforcing bar place according to the steel casing.
Length of reinforcing cage behind the spreading can reach more than 100 meters, is the great diameter and long stake, common construction problems such as distortion, distortion, dislocation do not occur.
Claims (8)
1. great diameter and long pile cages mounting method is characterized in that may further comprise the steps:
(1) connects suspender and first segment reinforcing cage, and sling with lifting appliance and to be connected with the suspender of first segment reinforcing cage;
(2) the first segment reinforcing cage is hung and hangs on a reinforcing cage hanging ring device, remove being connected of described suspender and first segment reinforcing cage,
Described reinforcing cage hanging ring device comprises that one supports annulus and some brace summers, and described support annulus is surrounded by inner ring body, outer ring body, upper plate and lower shoe and forms a circular cylinder, and circular cylinder along the circumferential direction is evenly equipped with several radial perforations; Described brace summer is connected and composed dorsad by two shaped steel, and removably is inserted in the radial perforation of described support annulus;
(3) connect the suspender and the second joint reinforcing cage, and sling with lifting appliance and to be connected with second suspender that saves reinforcing cage;
(4) the second joint reinforcing cage is hung in first segment reinforcing cage top, contraposition makes the main muscle butt joint of two joint reinforcing cages;
(5) sling to the reinforcing cage that connects, and remove of the suspension strut of described reinforcing cage hanging ring device, reinforcing cage is transferred to the default first order degree of depth the first segment and the second joint reinforcing cage;
(6) brace summer is inserted described reinforcing cage hanging ring slotted eye, make the stirrup of the second joint reinforcing cage hang on described brace summer, and remove suspender and second and save being connected of reinforcing cage master muscle, finish a construction circulation;
(7) connect suspender and the 3rd joint reinforcing cage, and sling with lifting appliance and to connect the suspender of the 3rd joint reinforcing cage, enter next construction circulation, to connecting reinforcing cage, transfer step by step successively, arrive bottom the stake position until the first segment reinforcing cage.
2. method according to claim 1 is characterized in that: described suspender comprises
At least one combination shoulder pole girder, described combination shoulder pole girder main body is processed dorsad by two shaped steel and is connected and composed, and the upside of described combination shoulder pole girder main body is provided with two pairs, and upward hanger, downside are provided with two pairs of following hangers; And
With the described identical connector of hanger quantity down, the top of described connector is hanger, and the bottom is the main body that is provided with groove; And
At least one suspension ring is connected between described hanger down and the connector hanger; And
Some wire rope.
3. method according to claim 2, it is characterized in that: described suspender comprises two described combination shoulder pole girders that be arranged in parallel and is arranged between two combination shoulder pole girders and two vertical with it connecting rods, described two connecting rod two ends are fixedly connected on two combination shoulder pole girders, constitute " well " font.
4. according to claim 2 or 3 described methods, it is characterized in that: described combination shoulder pole girder main body is passed through welding by two channel-section steels, or is spirally connected, or clamping, or rabbets the one that is welded dorsad.
5. method according to claim 1 is characterized in that: the main muscle butt joint back of described two joint reinforcing cages adopts steel bushing to tighten fixing.
6. method according to claim 2, it is characterized in that: the last hanger of described combination shoulder pole girder directly or be suspended on the end of the wire rope that is hooked in boom hoisting by suspension ring, the following hanger of described combination shoulder pole girder directly is connected by suspension ring with the hanger of connector, or connects by suspension ring and the wire rope that is connected between suspension ring; Be equipped with wire rope on the groove of described connector, the end of wire rope is connected in the main muscle and the stirrup of reinforcing cage.
7. method according to claim 1 is characterized in that: described brace summer length is greater than the diameter of described support annulus, and is set up between two radial perforations of the same diameter in described support annulus baseplane.
8. method according to claim 1 is characterized in that: described brace summer is to pass through welding by two channel-section steels, or is spirally connected, or clamping, or interlocking fuses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101149359A CN102261067A (en) | 2011-05-05 | 2011-05-05 | Method for installing reinforcement cage of large-diameter ultra-long pile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101149359A CN102261067A (en) | 2011-05-05 | 2011-05-05 | Method for installing reinforcement cage of large-diameter ultra-long pile |
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| CN102261067A true CN102261067A (en) | 2011-11-30 |
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| CN2011101149359A Pending CN102261067A (en) | 2011-05-05 | 2011-05-05 | Method for installing reinforcement cage of large-diameter ultra-long pile |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061265A (en) * | 2013-01-05 | 2013-04-24 | 广东省基础工程公司 | Construction method for lifting combined reinforcement cages |
| CN103556627A (en) * | 2013-10-31 | 2014-02-05 | 中铁港航局集团有限公司 | Cage hanging structure for hoisting large-diameter hole drilling filling pile steel bar cage |
| CN104480930A (en) * | 2014-11-10 | 2015-04-01 | 中建六局土木工程有限公司 | Hanging fixing construction method for steel reinforcement cage of filling pile |
| CN104612135A (en) * | 2015-01-13 | 2015-05-13 | 成都聚智工业设计有限公司 | Steel bar adjusting device |
| CN105332372A (en) * | 2015-11-18 | 2016-02-17 | 浙江双和环境建设有限公司 | Cast-in-place pile reinforcement cage construction device and process thereof |
| CN105544510A (en) * | 2015-12-25 | 2016-05-04 | 上海建工四建集团有限公司 | Pile forming method of cast-in-situ bored pile |
| CN105649346A (en) * | 2015-12-25 | 2016-06-08 | 中交路桥华南工程有限公司 | Assembling and disassembling type steel reinforcement cage installing platform |
| CN108643192A (en) * | 2018-05-16 | 2018-10-12 | 深圳市工勘岩土集团有限公司 | Brace in Deep Footing Groove supporting ultralong steel tube column pile construction method |
| CN109235424A (en) * | 2018-09-18 | 2019-01-18 | 中国十九冶集团有限公司 | Pile foundation steel bar cage is segmented installation method |
| CN109594554A (en) * | 2018-11-01 | 2019-04-09 | 中铁大桥局集团有限公司 | Steel reinforcement cage for marine drilling pile grouting hangs system |
| CN109954824A (en) * | 2019-04-29 | 2019-07-02 | 北京天恒建设集团有限公司 | A kind of construction site steel reinforcement cage processing and fabricating device and technique |
| CN110371842A (en) * | 2019-08-14 | 2019-10-25 | 宁夏路桥工程股份有限公司 | A kind of reusable pile foundation steel bar cage hangs muscle device |
-
2011
- 2011-05-05 CN CN2011101149359A patent/CN102261067A/en active Pending
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| 吴木怀: "大直径超长桩钢筋笼加工安装技术", 《公路交通科技(应用技术版)》 * |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061265A (en) * | 2013-01-05 | 2013-04-24 | 广东省基础工程公司 | Construction method for lifting combined reinforcement cages |
| CN103556627A (en) * | 2013-10-31 | 2014-02-05 | 中铁港航局集团有限公司 | Cage hanging structure for hoisting large-diameter hole drilling filling pile steel bar cage |
| CN103556627B (en) * | 2013-10-31 | 2016-08-17 | 中铁港航局集团有限公司 | A kind of hanging cage structure for large diameter bored pile reinforcing bar cage hoisting |
| CN104480930A (en) * | 2014-11-10 | 2015-04-01 | 中建六局土木工程有限公司 | Hanging fixing construction method for steel reinforcement cage of filling pile |
| CN104480930B (en) * | 2014-11-10 | 2016-02-17 | 中建六局土木工程有限公司 | A kind of filling pile cage of reinforcement hangs fixing construction method |
| CN104612135B (en) * | 2015-01-13 | 2016-07-06 | 四川省第十五建筑有限公司 | Reinforcing bar regulates device |
| CN104612135A (en) * | 2015-01-13 | 2015-05-13 | 成都聚智工业设计有限公司 | Steel bar adjusting device |
| CN105332372A (en) * | 2015-11-18 | 2016-02-17 | 浙江双和环境建设有限公司 | Cast-in-place pile reinforcement cage construction device and process thereof |
| CN105649346A (en) * | 2015-12-25 | 2016-06-08 | 中交路桥华南工程有限公司 | Assembling and disassembling type steel reinforcement cage installing platform |
| CN105544510A (en) * | 2015-12-25 | 2016-05-04 | 上海建工四建集团有限公司 | Pile forming method of cast-in-situ bored pile |
| CN108643192A (en) * | 2018-05-16 | 2018-10-12 | 深圳市工勘岩土集团有限公司 | Brace in Deep Footing Groove supporting ultralong steel tube column pile construction method |
| CN109235424A (en) * | 2018-09-18 | 2019-01-18 | 中国十九冶集团有限公司 | Pile foundation steel bar cage is segmented installation method |
| CN109594554A (en) * | 2018-11-01 | 2019-04-09 | 中铁大桥局集团有限公司 | Steel reinforcement cage for marine drilling pile grouting hangs system |
| CN109954824A (en) * | 2019-04-29 | 2019-07-02 | 北京天恒建设集团有限公司 | A kind of construction site steel reinforcement cage processing and fabricating device and technique |
| CN110371842A (en) * | 2019-08-14 | 2019-10-25 | 宁夏路桥工程股份有限公司 | A kind of reusable pile foundation steel bar cage hangs muscle device |
| CN110371842B (en) * | 2019-08-14 | 2024-04-30 | 宁夏公路桥梁建设有限公司 | Reusable pile foundation reinforcement cage hanging bar device |
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Application publication date: 20111130 |