CN101537662A - Connection channel positioning method in prefabrication of spliced tower crane foundation prefabricated by concrete - Google Patents
Connection channel positioning method in prefabrication of spliced tower crane foundation prefabricated by concrete Download PDFInfo
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- CN101537662A CN101537662A CN200910030618A CN200910030618A CN101537662A CN 101537662 A CN101537662 A CN 101537662A CN 200910030618 A CN200910030618 A CN 200910030618A CN 200910030618 A CN200910030618 A CN 200910030618A CN 101537662 A CN101537662 A CN 101537662A
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Abstract
The invention discloses a connection channel positioning method in the prefabrication of a spliced tower crane foundation prefabricated by concrete, comprising shearing resistant concave-convex pieces and a molding board for the end part of a steel reinforcement cage of a prefabricated element and pre-buried pipes for a connection channel positioned between the shearing resistant concave-convex pieces or pre-buried pipes or a connection channel positioned between the shearing resistant concave-convex pieces and the molding board. The positioning method is characterized in that a metal insert penetrates through the pre-buried pipes and the shearing resistant concave-convex pieces, and two ends of the metal insert are abutted on the molding board; a locking rod penetrates through the metal insert, and two ends of the locking rod penetrate out of holes arranged at the molding board and then are tensioned and fixed. The invention adopts the mode that a central part is prefabricated, transition pieces or end pieces are fabricated by depending on the concave pieces of the connection end heads of the central piece to be matched with the convex pieces of the transition pieces or the end heads of the end pieces for ensuring that the connection channel of each prefabricated piece is on a central line; and the invention is spliced conveniently, is labor-saving and time-saving, and has stable and safe foundation.
Description
Technical field:
The present invention relates to building machinery and install and fix the basis, be specifically related to the prefabricated middle connecting hole channel positioning method of the prefabricated dress foundation for tower crane of abandoning of concrete.
Background technology:
At present, the prefabricated dress foundation for tower crane of abandoning of concrete is because of it has site operation cycle weak point, demolition, installation, fortune are convenient and swift, non-environmental-pollution, No Assets waste, and can improve the utilization ratio of tower machine and the use cost of saving the tower machine, and generally receive an acclaim, applied preferably.Abandon central part, transition piece, extremity piece prefabricated of dress foundation for tower crane exists following defective but this concrete is prefabricated, demands further improvement urgently.The one, each piece installing of abandoning all the time all is to adopt the single-piece prefabrication system, when the prefabricated component of producing is abandoned the dress basis, often concentricity differs greatly, stagger mutually and reach the 1-3 millimeter in the connection duct of the indivedual parts wherein heart, the set shearing resistance concave-convex-piece of link of prefabricated component can not be inserted reach coincideing of both mating surfaces mutually, basic, not only time-consuming with such prefabricated component dress of abandoning, increasing abandons dresses up this, and the basis behind the dress of abandoning exists potential safety hazard.The 2nd, the shearing resistance concave-convex-piece is directly connected in steel reinforcement cage, vibration, extruding during often because of cast cause the displacement of shearing resistance concave-convex-piece, the connecting hole that makes the shearing resistance concave-convex-piece be connected the center, duct not on an axis.The 3rd, vibration, the crimp of the pre-pipe laying that connects the duct during also often because of cast, and cause abandoning when adorning the basis, attachment (steel hinge line etc.) passes that to connect the duct very difficult, and that also brings prefabricated component simultaneously interconnects instability (abandon dress up basis built on the sand), exists big safety problem.
Summary of the invention:
The technical problem to be solved in the present invention provides the prefabricated middle connecting hole channel positioning method of the prefabricated dress foundation for tower crane of abandoning of a kind of concrete, the prefabricated component of Sheng Chaning in this way, connect duct concentricity difference little (less than 1 millimeter), abandon and adorn the foundation for tower crane saving of labor, save time, the what is more important foundation for tower crane is firm, safety.
The present invention is achieved through the following technical solutions:
Connecting hole channel positioning method (establishing the connecting hole channel positioning method of shearing resistance concave-convex-piece) during the prefabricated dress foundation for tower crane of abandoning of concrete is prefabricated, the shearing resistance concave-convex-piece, the template that comprise prefabricated component steel reinforcement cage end, and the pre-pipe laying in the connection duct between the shearing resistance concave-convex-piece, or the pre-pipe laying that is connected the duct between shearing resistance concave-convex-piece and template, it is characterized in that: the prefabricated dress foundation for tower crane of abandoning of concrete is made of central part, transition piece, extremity piece and comprises the following steps:
A, preparing centre part at first:
Metal liner passes pre-pipe laying, shearing resistance concave-convex-piece, and two ends are butted on template; Check lock lever penetrates, passes metal liner from the set hole of template, is strained and fixed after passing the set hole of template again; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template after removing being connected of shearing resistance concave-convex-piece and template, extract metal liner again out; Prepare transition piece then,
B, the link of central part is coated with barrier coating, the male member plush copper that transition piece and central part end are complementary is inserted in recessed the recess, recessed, the overlap surface of male member fit, metal liner one end passes from pre-pipe laying, shearing resistance concave-convex-piece and is butted on template, after the other end passes from pre-pipe laying, shearing resistance concave-convex-piece, enter the adjacent center part and connect in the duct; Check lock lever penetrates, passes metal liner from the set hole of template, passes adjacent preforms again and connects the duct, is strained and fixed behind the set hole of the end template that passes the opposite end transition piece; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template after removing being connected of shearing resistance concave-convex-piece and template, extract metal liner again out; Prepare extremity piece then,
C, the link of transition piece is coated with barrier coating, the male member plush copper that extremity piece and transition piece end are complementary is inserted in recessed the recess, recessed, the overlap surface of male member fit, metal liner one end passes from pre-pipe laying and is butted on template, and the other end passes from pre-pipe laying, shearing resistance concave-convex-piece and enters in the adjacent preforms connection duct; Check lock lever penetrates, passes metal liner from the set hole of template, passes adjacent transition piece, central part connection duct again, is strained and fixed after passing the set hole of opposite end prefabricated component end template; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template after removing being connected of shearing resistance concave-convex-piece and template, extract metal liner again out;
Or the prefabricated dress foundation for tower crane of abandoning of concrete is made of central part, extremity piece and comprises the following steps:
D, preparing centre part at first:
Metal liner passes pre-pipe laying, shearing resistance concave-convex-piece, and two ends are butted on template; Check lock lever penetrates, passes metal liner from the set hole of template, is strained and fixed after passing the set hole of template again; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template after removing being connected of shearing resistance concave-convex-piece and template, extract metal liner again out; Prepare extremity piece then,
E, the link of central part is coated with barrier coating, the male member plush copper that extremity piece and central part end are complementary is inserted in recessed the recess, recessed, the overlap surface of male member fit, metal liner one end passes from pre-pipe laying and is butted on template, after the other end passes from pre-pipe laying, shearing resistance concave-convex-piece, enter the adjacent center part and connect in the duct; Check lock lever penetrates, passes metal liner from the set hole of template, passes adjacent preforms again and connects the duct, is strained and fixed behind the set hole of the end template that passes the opposite end extremity piece; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template after removing being connected of shearing resistance concave-convex-piece and template, extract metal liner again out.
Recessed in the described shearing resistance concave-convex-piece is fixed on template.
Connecting hole channel positioning method (not establishing the connecting hole channel positioning method of shearing resistance concave-convex-piece) during the prefabricated dress foundation for tower crane of abandoning of concrete is prefabricated, the template that comprises the steel reinforcement cage end of prefabricated component, and the pre-pipe laying in the connection duct between template, it is characterized in that: concrete is prefabricated, and the dress foundation for tower crane of abandoning is made of central part, transition piece, extremity piece and comprises the following steps:
G, preparing centre part at first:
Metal liner passes pre-pipe laying two ends and is butted on template, and check lock lever penetrates, passes metal liner from the set hole of template, is strained and fixed after passing the set hole of template again; Or metal liner passes pre-pipe laying, and two ends pass the set hole of template; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template, extract metal liner again out; Prepare transition piece then,
H, the link of central part is coated with barrier coating, transition piece steel reinforcement cage one end is affixed on the link of central part, metal liner one end passes from pre-pipe laying and is butted on template, after the other end passes from pre-pipe laying, entering the adjacent center part connects in the duct, check lock lever penetrates, passes metal liner from the set hole of template, passes the adjacent center part again and connects the duct, is strained and fixed behind the set hole of the end template that passes opposite end prefabricated component steel reinforcement cage; Or metal liner one end passes from pre-pipe laying, and passes the set hole of template, after the other end passes from pre-pipe laying, passes the adjacent center part and connects the duct, until the set hole of end template that passes opposite end prefabricated component steel reinforcement cage; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template, extract metal liner again out; Prepare extremity piece then,
J, the link of transition piece is coated with barrier coating, extremity piece steel reinforcement cage one end is affixed on the link of transition piece, metal liner one end passes from pre-pipe laying and is butted on template, after the other end passes from pre-pipe laying, entering adjacent transition piece connects in the duct, check lock lever penetrates, passes metal liner from the set hole of template, passes adjacent transition piece, central part again and connects the duct, is strained and fixed behind the set hole of the end template that passes opposite end prefabricated component steel reinforcement cage; Or metal liner one end passes from pre-pipe laying, and passes the set hole of template, after the other end passes from pre-pipe laying, passes adjacent transition piece, central part connects the duct, until the set hole of end template that passes opposite end prefabricated component steel reinforcement cage; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template, extract metal liner again out;
Or the prefabricated dress foundation for tower crane of abandoning of concrete is made of central part, extremity piece and comprises the following steps:
At first press g step preparing centre part, the link of central part is coated with barrier coating, the link that then extremity piece steel reinforcement cage one end is affixed on central part prepares extremity piece, metal liner one end passes from pre-pipe laying and is butted on template, after the other end passes from pre-pipe laying, enter the adjacent center part and connect in the duct, check lock lever penetrates, passes metal liner from the set hole of template, pass the adjacent center part again and connect the duct, behind the set hole of the end template that passes opposite end prefabricated component steel reinforcement cage, be strained and fixed; Or metal liner one end passes from pre-pipe laying, and passes the set hole of template, after the other end passes from pre-pipe laying, passes the adjacent center part and connects the duct, until the set hole of end template that passes opposite end prefabricated component steel reinforcement cage; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template, extract metal liner again out.
Described check lock lever one end has fixedly head, and the other end is provided with screw thread, or the check lock lever two ends are provided with screw thread.Recessed in the described shearing resistance concave-convex-piece is fixed on template.
If the link of extremity piece is consistent with link shape, the area of central part, then can directly utilize the prefabricated extremity piece of central part.
This method is used for not being provided with the location, duct of concave-convex-piece.In general, concrete is prefabricated the abandon connection duct of dress foundation for tower crane has the shearing resistance concave-convex-piece is set simultaneously, and the shearing resistance concave-convex-piece is not set yet, and is for the duct that the shearing resistance concave-convex-piece is not set, then prefabricated by this method.
Concerning small-sized foundation for tower crane, because the shearing resistance concave-convex-piece is not established in the end of prefabricated component, so, pre-pipe laying two ends are butted on template, and metal liner passes pre-pipe laying, two ends and passes the set hole of template and position and get final product, promptly as stated above.
Check lock lever penetrates from the set hole of template.。。, be strained and fixed after passing the set hole of template again, can be connected and fixed with bolt, also can be connected and fixed with ground tackle, also can an end bolt, an end is connected and fixed with ground tackle.
Advantage of the present invention:
When the part of preparing centre, the present invention is fixed on template with recessed of shearing resistance, penetrates with metal tube simultaneously to connect in the pre-buried pipe in duct, passes metal liner, is strained and fixed after passing the template at two ends with check lock lever again.In casting process, not only the shearing resistance part can not be shifted, and connect the pre-buried pipe in duct can extrusion or displacement yet, on can guaranteeing the shearing resistance part and being connected a duct pre-buried Guan Zaiyi center line.When preparation transition piece or extremity piece, rely on recessed male member of the connection termination of central part to cooperate with transition piece or extremity piece termination, metal liner need penetrate in the connection duct of central part (being adjacent preforms), check lock lever penetrates from the set hole of template, passes metal liner, passes central part and connect the duct, pass and be strained and fixed behind the set hole of other end template again (two transition piece or extremity piece prepare simultaneously).The connection duct that so then guarantees each prefabricated component is on a center line.
The present invention compared with prior art, it is easy to connect to have an assembly unit, the saving of labor, saves time, the basis is firm, safety.Have the template of saving, advantage of high production efficiency simultaneously.
Description of drawings
Fig. 1 is that prefabricated central part connects the duct floor map.
Fig. 2 is that Figure 1A is to schematic diagram.
Fig. 3 is a B portion enlarged diagram among Fig. 1.
Duct floor map (only providing two ends, the left and right sides prefabricated transition piece diagram) is provided when utilizing the prefabricated transition piece of central part among Fig. 1 Fig. 4.
Fig. 5 is a C portion enlarged diagram among Fig. 4.
Duct floor map (only providing two ends, the left and right sides prefabricated extremity piece diagram) is provided when utilizing the prefabricated extremity piece of central part, transition piece among Fig. 4 Fig. 6.
Fig. 7 is a D portion enlarged diagram among Fig. 6.
The specific embodiment
As Fig. 1,4, shown in 6, the set duct of prefabricated component of the prefabricated dress foundation for tower crane of abandoning of concrete, same direction of extension is placed with three, one in the middle of being positioned at is not provided with the shearing resistance concave-convex-piece, as shown in Figure 2, the shearing resistance concave-convex-piece is not set, the top that the duct E in described centre is vertically installed in prefabricated component end face convex shape (is positioned at the duct on convex shape top in reality is prefabricated, concave-convex-piece generally all is set, this do not establish be for graph expression clear), all the other two the duct F that the shearing resistance concave-convex-piece is set are vertically installed in the bottom (bottom of convex shape also has a plurality of ducts of not establishing concave-convex-piece in reality is prefabricated, and is not shown) of prefabricated component end face convex shape.
Shown in Fig. 1,4,6, the duct F of prefabricated component is provided with the shearing resistance concave-convex-piece, shown in Fig. 1,3, the duct F steel reinforcement cage of central part (do not provide steel reinforcement cage diagram) end is provided with recessed 4 of shearing resistance concave-convex-piece, pre-pipe laying 2, template 3 successively, lay respectively at recessed 4 two ends.Described recessed 4 concave bottom bore dia is consistent with the internal diameter of pre-pipe laying 2, is provided with perimeter gap 41 recessed 4 one week of concave bottom hole, and recessed 4 concave bottom hole perimeter gap 41 location are inserted at pre-pipe laying 2 two ends.
As shown in Figure 3, be plugged with stopper 6 in recessed 4 the recess, the centre bore of described stopper is communicated with recessed 4 concave bottom hole, centre bore and metal liner coupling, and the side face of stopper 6 is identical with recessed 4 recess inner surface.As shown in Figure 1, 2, 3, recessed 4 overlap is provided with connecting hole, and template 3 is provided with the connecting hole that is complementary, and the connecting hole that bolt 32 passes both connects firmly the location.
Still as shown in Figure 1, 2, 3, metal liner 1 passes pre-pipe laying 2, recessed 4, and two ends are butted on template 3
(touching mutually with template 3), check lock lever 5 one ends have fixing 52, and check lock lever 5 other ends are provided with screw thread, and the end of thread penetrates from template 3 set holes 31, passes metal liner 1, pass other end template 3 set hole 31 usefulness bolts 51 again and lock.
The external diameter of metal liner 1 is slightly less than the internal diameter of pre-pipe laying 2, when metal liner 1 penetrates in the pre-pipe laying 2, and the surface both kissing.
Hole 31 and check lock lever 5 external diameters coupling that template is set.
Shown in Fig. 1,4,6, the shearing resistance concave-convex-piece is not established in the E end, duct of prefabricated component.Pre-pipe laying is between template, and metal liner 1 passes pre-pipe laying 2 two ends and is butted on template 3; Check lock lever 5 penetrates, passes metal liner 1 from template 3 set holes 31, is strained and fixed after passing the set hole 31 of template 3 again.
Do not establish the shearing resistance concave-convex-piece for all ducts of prefabricated component, metal liner 1 should directly pass pattern hole location (both located accurately, and saved the workload of wearing check lock lever again), the external diameter coupling of the set hole 31 of template and metal liner 1.Existingly establish the shearing resistance concave-convex-piece, have and do not establish the shearing resistance concave-convex-piece again for the duct of prefabricated component, can with two kinds of methods location.
The prefabricated dress foundation for tower crane of abandoning of preparation concrete comprises central part 10, transition piece 8, extremity piece 9.
A, as Fig. 1, shown in 3, at first make central part 10: make steel reinforcement cage according to a conventional method, opening of the channel at four links of central part steel reinforcement cage is provided with recessed, stopper is filled in recessed the recess (prevent mortar from bleeding recess), recessed concave bottom hole perimeter gap is inserted at pre-pipe laying two ends, metal liner is penetrated pre-pipe laying from recessed recess, its two ends and recessed 's overlap is at a vertical plane (duct E wherein, metal liner passes pre-pipe laying, its two ends and pre-buried pipe port are at a vertical plane), then template and recessed are connected and fixed, again check lock lever is penetrated from pattern hole, until passing metal liner, after passing other end pattern hole, use locked with bolts, then pour into a mould; After concrete solidifies, extract check lock lever out, remove recessed with being connected and removing template of template, extract metal liner again out;
B, shown in Fig. 4,5, make transition piece (the prefabricated of opposite end transition piece only is provided, and two ends do not provide diagram in addition, down with): it is standby that the link of central part is coated with barrier coating; Make steel reinforcement cage according to a conventional method, recessed of shearing resistance concave-convex-piece is set respectively at the link of transition piece steel reinforcement cage, male member, stopper is filled in recessed the recess, with this end of being provided with male member as with the link of central part, in the recess that male member plush copper inserting step a is recessed, recessed, the overlap surface of male member fits, pre-pipe laying one end inserts recessed concave bottom hole perimeter gap, the other end inserts male member centre bore perimeter gap, then the recess of metal liner from recessed penetrated, in the connection duct that penetrates central part, the terminal overlap with recessed of metal liner is at a vertical plane (duct E wherein, the end of metal liner and pre-buried pipe port are at a vertical plane), then template and recessed are connected and fixed, again check lock lever is penetrated metal liner from pattern hole, pass central part, until the pattern hole of the transition piece that passes the other end, use locked with bolts, then pour into a mould; After concrete solidifies set by step the described check lock lever, template, metal liner of carrying out of a remove;
C, shown in Fig. 6,7, make extremity piece: it is standby that the link of transition piece is coated with barrier coating; Make steel reinforcement cage according to a conventional method, the male member of shearing resistance concave-convex-piece is set at an end of extremity piece steel reinforcement cage, with this end of being provided with male member as with the link of transition piece, in set recessed the recess of male member plush copper inserting step b transition piece, recessed, the overlap surface of male member fits, pre-pipe laying one end inserts male member centre bore perimeter gap, the other end extends the template vertical plane, metal liner is penetrated pre-pipe laying, in the connection duct that penetrates transition piece, metal liner end and pre-buried tube end are at a vertical plane, again check lock lever is penetrated metal liner from pattern hole, pass transition piece, central part, pass transition piece again, pattern hole until the extremity piece that passes the other end, use locked with bolts, then pour into a mould; After concrete solidifies set by step the described check lock lever, template, metal liner of carrying out of a remove.
The prefabricated dress foundation for tower crane of abandoning of the concrete of preparation comprises central part 10, extremity piece 9.
At first make central part as embodiment 1, and then make extremity piece.It is standby that the link of central part is coated with barrier coating; Make the extremity piece steel reinforcement cage according to a conventional method, the male member of shearing resistance concave-convex-piece is set at an end of extremity piece steel reinforcement cage, with this end of being provided with male member as with the link of central part, the male member plush copper is inserted in set recessed the recess of central part, recessed, the overlap surface of male member fits, pre-pipe laying one end inserts male member centre bore perimeter gap, the other end extends the template vertical plane, metal liner is penetrated pre-pipe laying, in the connection duct that penetrates central part, metal liner end and pre-buried tube end are at a vertical plane, again check lock lever is penetrated metal liner from pattern hole, pass the connection duct of central part, after the pattern hole of the extremity piece that passes the other end, use locked with bolts, then pour into a mould.
All the other are implemented as embodiment 1.
Claims (7)
1, the prefabricated middle connecting hole channel positioning method of the prefabricated dress foundation for tower crane of abandoning of concrete, the shearing resistance concave-convex-piece, the template that comprise prefabricated component steel reinforcement cage end, and the pre-pipe laying in the connection duct between the shearing resistance concave-convex-piece, or the pre-pipe laying that is connected the duct between shearing resistance concave-convex-piece and template, it is characterized in that: the prefabricated dress foundation for tower crane of abandoning of concrete is made of central part, transition piece, extremity piece and comprises the following steps:
A, preparing centre part (10) at first:
Metal liner (1) passes pre-pipe laying (2), shearing resistance concave-convex-piece, and two ends are butted on template (3); Check lock lever (5) penetrates, passes metal liner (1) from the set hole (31) of template (3), is strained and fixed after passing the set hole (31) of template (3) again; Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template after removing being connected of shearing resistance concave-convex-piece and template (3), extract metal liner again out; Prepare transition piece (8) then,
B, the link of central part is coated with barrier coating, the male member plush copper that transition piece and central part end are complementary is inserted in recessed the recess, recessed, the overlap surface of male member fit, metal liner (1) one end passes from pre-pipe laying (2), shearing resistance concave-convex-piece and is butted on template (3), after the other end passes from pre-pipe laying (2), shearing resistance concave-convex-piece, enter the adjacent center part and connect in the duct; Check lock lever (5) penetrates, passes metal liner (1) from the set hole (31) of template (3), passes adjacent preforms again and connects the duct, is strained and fixed behind the set hole (31) of the end template that passes the opposite end transition piece (3); Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template after removing being connected of shearing resistance concave-convex-piece and template (3), extract metal liner again out; Prepare extremity piece (9) then,
C, the link of transition piece is coated with barrier coating, the male member plush copper that transition piece and extremity piece end are complementary is inserted in recessed the recess, recessed, the overlap surface of male member fit, metal liner (1) one end passes from pre-pipe laying (2) and is butted on template (3), and the other end passes from pre-pipe laying (2), shearing resistance concave-convex-piece and enters in the adjacent preforms connection duct; Check lock lever (5) penetrates, passes metal liner (1) from the set hole (31) of template (3), passes adjacent transition piece, central part connection duct again, is strained and fixed after passing the set hole (31) of opposite end prefabricated component end template (3); Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template after removing being connected of shearing resistance concave-convex-piece and template (3), extract metal liner again out;
Or the prefabricated dress foundation for tower crane of abandoning of concrete is made of central part, extremity piece and comprises the following steps:
D, a preparing centre part (10) at first set by step prepare extremity piece (9) then,
E, the link of central part is coated with barrier coating, the male member plush copper that extremity piece and central part end are complementary is inserted in recessed the recess, recessed, the overlap surface of male member fit, metal liner (1) one end passes from pre-pipe laying (2) and is butted on template (3), after the other end passes from pre-pipe laying (2), shearing resistance concave-convex-piece, enter the adjacent center part and connect in the duct; Check lock lever (5) penetrates, passes metal liner (1) from the set hole (31) of template (3), passes adjacent preforms again and connects the duct, is strained and fixed behind the set hole (31) of the end template that passes the opposite end extremity piece (3); Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template after removing being connected of shearing resistance concave-convex-piece and template (3), extract metal liner again out.
2, the prefabricated middle connecting hole channel positioning method of the prefabricated dress foundation for tower crane of abandoning of concrete as claimed in claim 1, it is characterized in that: the center-hole diameter of the concave bottom bore dia of recessed (4) of shearing resistance concave-convex-piece and male member (7) is consistent with the internal diameter of pre-pipe laying (2), one week of concave bottom hole recessed (4) is provided with perimeter gap (41), what be positioned at that male member (7) is provided with overlap is provided with perimeter gap (71) in this one week of end centre bore, and shearing resistance concave-convex-piece perimeter gap location is inserted in the end of described pre-pipe laying (2).
3, the prefabricated middle connecting hole channel positioning method of the prefabricated dress foundation for tower crane of abandoning of concrete as claimed in claim 1 or 2, it is characterized in that: recessed (4) in the shearing resistance concave-convex-piece are fixed on template, recessed (4) overlap is provided with connecting hole, template (3) is provided with the connecting hole that is complementary, and the connecting hole that passes both with bolt (32) connects firmly the location.
4, the prefabricated middle connecting hole channel positioning method of the prefabricated dress foundation for tower crane of abandoning of concrete as claimed in claim 3, it is characterized in that: be fixed in the recess of recessed (4) of template and be provided with stopper (6), the centre bore of described stopper (6) is communicated with the concave bottom hole of recessed (4), centre bore and metal liner coupling, the side face of stopper (6) and the recess inner surface of recessed (4) coincide.
5, the prefabricated middle connecting hole channel positioning method of the prefabricated dress foundation for tower crane of abandoning of concrete as claimed in claim 1, it is characterized in that: the external diameter of metal liner (1) is slightly less than the internal diameter of pre-pipe laying (2), when metal liner (1) penetrates in the pre-pipe laying (2), the surface both kissing.
6, the prefabricated middle connecting hole channel positioning method of the prefabricated dress foundation for tower crane of abandoning of concrete as claimed in claim 1, it is characterized in that: check lock lever (5) one ends have fixing head (52), and the other end is provided with screw thread, or check lock lever (5) two ends are provided with screw thread.
7, the prefabricated middle connecting hole channel positioning method of the prefabricated dress foundation for tower crane of abandoning of concrete, the template that comprises the steel reinforcement cage end of prefabricated component, and the pre-pipe laying in the connection duct between template, it is characterized in that: concrete is prefabricated, and the dress foundation for tower crane of abandoning is made of central part, transition piece, extremity piece and comprises the following steps:
G, preparing centre part (10) at first:
Metal liner (1) passes pre-pipe laying (2) two ends and is butted on template (3), and check lock lever (5) penetrates, passes metal liner (1) from the set hole (31) of template (3), is strained and fixed after passing the set hole (31) of template (3) again; Or metal liner (1) passes pre-pipe laying (2) two ends and passes the set hole (31) of template (3); Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template, extract metal liner again out; Prepare transition piece (8) then,
H, the link of central part is coated with barrier coating, transition piece steel reinforcement cage one end is affixed on the link of central part, metal liner (1) one end passes from pre-pipe laying (2) and is butted on template (3), after the other end passes from pre-pipe laying (2), entering the adjacent center part connects in the duct, check lock lever (5) penetrates, passes metal liner (1) from the set hole (31) of template (3), pass the adjacent center part again and connect the duct, behind the set hole (31) of the end template that passes opposite end prefabricated component steel reinforcement cage (3), be strained and fixed; Or metal liner (1) one end passes from pre-pipe laying (2), and pass the set hole (31) of template (3), after the other end passes from pre-pipe laying (2), pass the adjacent center part and connect the duct, until the set hole (31) of the end template that passes opposite end prefabricated component steel reinforcement cage (3); Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template, extract metal liner again out; Prepare extremity piece (9) then,
J, the link of transition piece is coated with barrier coating, extremity piece steel reinforcement cage one end is affixed on the link of transition piece, metal liner (1) one end passes from pre-pipe laying (2) and is butted on template (3), after the other end passes from pre-pipe laying (2), entering adjacent transition piece connects in the duct, check lock lever (5) penetrates, passes metal liner (1) from the set hole (31) of template (3), pass adjacent transition piece, central part again and connect the duct, behind the set hole (31) of the end template that passes opposite end prefabricated component steel reinforcement cage (3), be strained and fixed; Or metal liner (1) one end passes from pre-pipe laying (2), and pass the set hole (31) of template (3), after the other end passes from pre-pipe laying (2), pass adjacent transition piece, central part connection duct, until the set hole (31) of the end template that passes opposite end prefabricated component steel reinforcement cage (3); Then pour into a mould, after concrete solidifies, extract check lock lever out, remove template, extract metal liner again out;
Or the prefabricated dress foundation for tower crane of abandoning of concrete is made of central part, extremity piece and comprises the following steps:
At first press g step preparing centre part (10), the link with central part (10) is coated with barrier coating then, and extremity piece (9) steel reinforcement cage one end is affixed on the link of central part, and j prepares extremity piece set by step again.
Priority Applications (1)
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| CN102383601A (en) * | 2011-08-24 | 2012-03-21 | 中国葛洲坝集团股份有限公司 | Method and device for leading pre-embedded pipes in concrete out of side wall joints |
| CN102733409A (en) * | 2012-05-21 | 2012-10-17 | 浙江和勤通信工程有限公司 | Combined type communication tower base |
| CN102041815B (en) * | 2009-10-19 | 2012-10-17 | 单希佳 | Tower crane |
| CN111693034A (en) * | 2020-06-12 | 2020-09-22 | 中建科工集团有限公司 | Measuring platform and measuring construction method of tower mast structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201855A (en) * | 1998-05-13 | 1998-12-16 | 赵正义 | Square foundation of tower crane by concrete pre-component assembly |
| JP3690499B2 (en) * | 2000-12-01 | 2005-08-31 | 清水建設株式会社 | Basic structure of equipment |
| JP2003293383A (en) * | 2002-04-04 | 2003-10-15 | Takenaka Komuten Co Ltd | Foundation structure of structure with high aspect ratio |
| CN2546426Y (en) * | 2002-05-30 | 2003-04-23 | 山西省工程机械厂 | Combined base for tower crane |
| CN2701914Y (en) * | 2004-10-18 | 2005-05-25 | 从卫民 | Concrete prefabricated and assembled multipurpose tower crane foundation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102041815B (en) * | 2009-10-19 | 2012-10-17 | 单希佳 | Tower crane |
| CN102383601A (en) * | 2011-08-24 | 2012-03-21 | 中国葛洲坝集团股份有限公司 | Method and device for leading pre-embedded pipes in concrete out of side wall joints |
| CN102383601B (en) * | 2011-08-24 | 2013-12-04 | 中国葛洲坝集团股份有限公司 | Method and device for leading pre-embedded pipes in concrete out of side wall joints |
| CN102733409A (en) * | 2012-05-21 | 2012-10-17 | 浙江和勤通信工程有限公司 | Combined type communication tower base |
| CN102733409B (en) * | 2012-05-21 | 2014-11-05 | 浙江和勤通信工程有限公司 | Combined type communication tower base |
| CN111693034A (en) * | 2020-06-12 | 2020-09-22 | 中建科工集团有限公司 | Measuring platform and measuring construction method of tower mast structure |
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