CN109853529A

CN109853529A - Construction techniques

Info

Publication number: CN109853529A
Application number: CN201910254131.5A
Authority: CN
Inventors: 冷伟
Original assignee: 冷伟
Current assignee: Huahong construction and Installation Engineering Group Co., Ltd
Priority date: 2017-09-26
Filing date: 2017-09-26
Publication date: 2019-06-07
Anticipated expiration: 2037-09-26
Also published as: CN107740407B; CN109853529B; CN107740407A

Abstract

The invention discloses a kind of construction techniques, (1) rotary digging stake holes；(2) steel reinforcement cage is hung；(3) building waste is pre-processed；(4) it premixes；(5) forming pile is perfused.Building waste is directly used in construction pile foundation by the present invention, makes full use of resource, reduces pollution of the building waste to appropriation of land and to soil, water body, and high degree improving the ecological environment and economizing the land resource；And have been directed to different types of building waste and carried out different disposal, so that building waste gives full play of the effect of itself, pile foundation firmness obtained is high, provides guarantee for the stability of building.

Description

Construction techniques

Technical field

The invention belongs to outdoor architecture technical fields, more particularly, to a kind of construction techniques.

Background technique

Urban building waste is a current very scabrous problem, more and more along the quickening of urban construction step Building demolition rebuild again, the speed of transition from the old to the new is very fast, so that building waste is increasing.But due to building Building refuse directly fills like that without image of Buddha house refuse, to be typically only capable to accumulation on the ground, not only occupies a large amount of soil Ground resource, and easily soil, water body are polluted, influence natural environment.

To solve the above-mentioned problems, people start to crush building waste building waste in manufacture pile foundation Afterwards, as the raw material of pile foundation, pile foundation is made.But during existing stake processed, for different building wastes directly into Row crushes, that because the property of different building wastes uses different processing methods, what building waste was unable to fully is not played The effect of itself, pile foundation hardness obtained, intensity have much room for improvement.

Summary of the invention

For overcome the deficiencies in the prior art, pile foundation hardness is high after providing a kind of molding, and the big building of intensity is applied by the present invention Work method.

To achieve the goals above, the invention adopts the following technical scheme: a kind of construction techniques, including following step It is rapid:

(1) rotary digging stake holes: pile foundation position is determined according to construction drawing, and soil layer is opened using rotary digging equipment brill；It is protected later in mud In the case where wall, the drill bit of rotary digging equipment continues downward rotary digging, until rotary digging forms stake holes to required depth；Rotary digging Mud balance in journey in stake holes is≤1.25；

(2) it hangs steel reinforcement cage: steel reinforcement cage and conduit being hung in the stake holes molded into step (1) by crane, and passed through The sediment of stake holes bottom is discharged conduit；

(3) it pre-processes building waste: recycled concrete aggregate is cut into bulk by cutting machine；Discarded brick, tile are led to It crosses stone crusher and is ground into graininess；Discarded marble is cut into blocky marble by cutting machine, and is existed by drilling machine Blocky marmorean different location is punched；Above-mentioned building waste is mixed to form building waste A together later；

(4) it premixes: by rotary digging stake holes drills out in building waste A, step (1) soil, cement, water with 4-6:0.8-1.5:0.8- The weight ratio of 1.2:0.4-0.6 is mixed；When mixing, first soil and cement are premixed, water is added later and is mixed into Paste mixture finally puts into building waste A into paste mixture, and is uniformly mixed, and perfusion materia C is made；

(5) forming pile is perfused: being sling Grouting Pipe by crane, so that the outlet end of Grouting Pipe exists centainly apart from stake holes bottom Distance is later poured into perfusion materia C obtained in step (4) to the stake holes of step (1) shape by Grouting Pipe；The mistake of perfusion Grouting Pipe is sling one end distance upwards, continues to be perfused by Cheng Zhong when material Man Zhiyu Grouting Pipe exports end in contact；It repeats to grasp Make, until entire stake holes is filled with, forms bored concrete pile.

The present invention is by being directly used in construction pile foundation for building waste, to take full advantage of resource, reduces building waste Pollution to appropriation of land and to soil, water body, high degree improve ecological environment, have saved out land resource；And The present invention has carried out different disposal also directed to different types of building waste, so that building waste when using building waste The effect of itself is given full play of, pile foundation firmness obtained is high, and it is high-quality, guarantee is provided for the stability of building, from And also improve the residential security degree of resident；Concrete block is cut into bulk, and hardness is larger, can enhance the secured intensity of pile foundation； The intensity of brick and tile is lower, to be crushed, is sufficiently mixed with cement, is relatively made for bulk, can more obtain sufficiently Utilization, improve the utilization rate of building waste；Simultaneously particle is made after, the usage amount of cement can be reduced, thus save construction at This；Marmorean intensity highest, is cut into bulk, is able to ascend the intensity of pile foundation, and by making in marble internal drilling Obtaining cement slurry can put into hole, so that it is not secured enough to solve the problems, such as that marble is connect with cement, to realize big The secured connection of fibrous gypsum and cement, and the hardness of pile foundation is effectively improved, generate dual synergy；

The mud that rotary digging stake holes is dug out also is used as to the raw material of perfusion materia, improves resource utilization；And the soil dug out does not have to heap everywhere The case where influencing the appearance of the city will not occur in the case where putting, that is, being not in land occupation resource；And the soil due to drilling out is aqueous Amount is higher, when making perfusion materia, can reduce the ratio of water, reduce the waste of water resource；When perfusion, Grouting Pipe is used when filling The mode above mentioned grout injection into stake holes, both can guarantee the outlet end of Grouting Pipe at a distance from stake holes bottom will not too far, Guarantee perfusion uniformly, and will not Grouting Pipe be left in stake holes, is reused convenient for Grouting Pipe；And it is not necessarily to Reperfu- sion Choose again after molding Grouting Pipe, will not more pile foundations integrally impact, improve the firmness of pile foundation.

Further, the building waste A, the soil that rotary digging stake holes drills out in step (1), cement, water ratio be 4: 1:1:0.6；Under this kind proportion, the ratio of mud in perfusion materia is optimum proportioning, and paste mixture moisture content obtained is the most suitable In, guarantee that the pile foundation hardness of form is maximum, the stability of pile foundation is most strong, and the time limit being able to use also reaches highest.

Further, the blocky concrete cut in the step (3) is irregular shape, and passes through spray on its outer surface Sand is processed into rough surface；By the setting of irregular shape, the contact area between concrete block and cement slurry is increased, from And make connection between concrete block and cement more closely, and then improve the hardness of pile foundation；By will concrete block it is outer Surface is set as rough surface, further improves the adhesion strength between concrete block and cement, improves the hardness of pile foundation.

Further, the interconnected L-shaped landfill channel of shape in hole on the two neighboring face of the blocky marble；Cement Slurry can be poured into landfill channel, enhance the contiguity between marble blocks and cement, effectively solve marble and cement is viscous Attached hypodynamic problem, then in the case where guaranteeing pile foundation hardness, the firmness of pile foundation itself is promoted, extend pile foundation uses the longevity Life；And since landfill channel is to be connected to be formed by the hole on two neighboring face, thus when earthquake, pile foundation by Single direction power, can by the landfill channel on different directions in marble blocks to different directions disperse, compare tradition For piling strtucture, pile foundation is hardly damaged, long service life.

Further, distance of the outlet end of the Grouting Pipe apart from stake holes bottom is 5m-10m；Prevent Grouting Pipe from exporting Hold larger at a distance from stake holes bottom, and while to pour is uneven；It will not make Grouting Pipe outlet end and stake holes bottom Apart from too small, the working frequency of crane is reduced, improves working efficiency, reduces energy consumption.

In conclusion resource is made full use of the invention has the following advantages that building waste is directly used in construction pile foundation, Reduce pollution of the building waste to appropriation of land and to soil, water body, high degree improve the ecological environment and Economization on land Resource；And have been directed to different types of building waste and carried out different disposal, so that building waste gives full play of the work of itself With pile foundation firmness obtained is high, provides guarantee for the stability of building；Grouting Pipe using side fill Bian Shangti by the way of to Grout injection in stake holes can be in the milk uniformly and prevent the later period from choosing Grouting Pipe, impact to the firmness of pile foundation.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is partial schematic diagram of the invention.

Fig. 3 is the cross-sectional view of Fig. 2.

Fig. 4 is the partial enlarged view in Fig. 3.

Specific embodiment

A kind of construction techniques, comprising the following steps: (1) rotary digging stake holes: pile foundation is determined according to construction drawing Position, and using rotary digging equipment brill open soil layer；Later in the case where mud off, the drill bit of rotary digging equipment continues to backspin It digs, rotary digging here refers to that the drill bit of rotary digging equipment rotates on one side, lower on one side to dig；Until rotary digging stops digging later to 50m Pick, after rotary digging drill bit exits, forms stake holes on ground；Mud balance during rotary digging in real-time detection stake holes controls stake holes Interior mud balance is≤1.25；(2) it hangs steel reinforcement cage: steel reinforcement cage and conduit is hung into step (1) by molding by crane In stake holes out, guarantee the lower end of conduit when hanging deeply to stake holes bottom, after putting well to steel reinforcement cage, by conduit and air pump phase Even, the sediment of stake holes bottom is discharged by conduit；(3) it pre-processes building waste: different building wastes being carried out different Processing；Recycled concrete aggregate is cut into bulk by cutting machine, it is preferred that the blocky concrete after cutting is irregular shape Shape, and blasting treatment is carried out at rough surface, so that the adherency between concrete block and cement by sand-blasting machine on its outer surface Power is strong；Discarded brick, tile are directly ground to graininess by stone crusher, granular diameter can be between 5mm-8mm； Discarded marble is cut into blocky marble by cutting machine, blocky marmorean size is greater than the big of blocky concrete It is small；And punched by drilling machine in blocky marmorean different location, hole, and phase are equipped in the different sides of marble blocks The interconnected L-shaped landfill channel of shape in hole on adjacent two faces；Above-mentioned several building wastes are mixed to form together again later Building waste A；(4) it premixes: by the soil, cement, water that are drilled out when rotary digging stake holes in building waste A, step (1) with 4:1:1: 0.6 weight ratio is mixed；When mixing, first soil and cement are premixed, water is added later and is mixed into pulpous state mixing Object finally puts into building waste A into paste mixture, and is uniformly mixed, and perfusion materia C is finally made；(5) forming pile is perfused: It first passes through crane to sling Grouting Pipe, so that the outlet end of Grouting Pipe and stake holes bottom be there are at a distance from 8m, later by step (4) In perfusion materia C obtained poured by Grouting Pipe to the stake holes of step (1) shape；During perfusion, to material Man Zhiyu When Grouting Pipe exports end in contact, Grouting Pipe is sling to one end distance upwards, continues to be perfused；Repetitive operation, until entire stake holes quilt It fills, after perfusion materia cooled and solidified, bored concrete pile can be formed.

The above-mentioned sand-blasting machine referred to, cutting machine, air pump, crane, stone crusher are the prior art, can directly be purchased in the market It can buy, so it will not be repeated.

Specifically, as shown in Figs 1-4, the rotary digging equipment includes body 1, set on the mobile device 2 of underpart, drill boom 3, boom hoisting 4, drill bit 5, the drill bit actuator 6 and vibration device for driving drill bit to rotate matched with drill boom；It is described Mobile device 2 is two crawler belts set on 1 lower part of body, which can be directly commercially available by the market, be repeated no more；The brill Arm 3 and drill bit 5 are made of stainless steel, and the boom hoisting 4 includes wirerope 41 and the hoist engine on body, the steel One end of cord 41 is connected with drill boom, and the other end is connected with hoist engine；The hoist engine and wirerope can be by direct on the market Buying obtains；The drill bit actuator 6 is firsthand motor on the market, the output shaft of the motor and the drill boom phase Even；The vibration device is set between drill bit actuator and drill bit, and the vibration device includes guard shield made of stainless steel 71 and the vibrating member 72 in guard shield, the vibrating member 72 is firsthand vibration excitor on the market, and concrete model is not It limits；71 top of guard shield is equipped with the through-hole 711 passed through for drill boom, and 71 lower part of guard shield is equipped with and wears for drill bit 5 The opening crossed, 3 lower end of drill boom is connected after penetrating to the guard shield 71 with the vibrating member 72 by the through-hole, described 5 upper end of drill bit is connected after passing through the guard shield 71 with the vibrating member 72 by the opening；To turn when drill boom driving drill bit When dynamic, vibrating member starts achievable drill bit and vibrates in the course of rotation, with improving the brill of drill bit intensity, even if in rotary digging When harder soil layer, also can easily it pierce in soil layer.

Further, the drill bit 5 includes the brill portion 51 of tapered setting and the drill 52 set on brill portion end；The brill Knife 52 is set as two, and is arc setting, is drilled in soil layer so as to convenient；Preferably, the brill portion 51 It is evenly spaced on lateral wall that multiple shock portions 511 are distributed with, and shock portion 511 is set as triangular structure, and tip is outwardly Setting enhances drill bit when boring ground to the destructive power on ground, guarantees that drill bit can quickly bore out harder soil layer.

, substantially all can be with muddy water during due to rotary digging, muddy water enters in vibration excitor in order to prevent, we are described It is provided with the first sealing structure between guard shield 71 and the drill boom 3, second is provided between guard shield 71 and drill bit 5 Sealing structure;Specifically, first sealing structure includes canister portion 81, sealing element 82 and compressing member 83, cartridge 81 is by this Through-hole wall upwardly extends to be formed, and the sealing element 82 is set between the canister portion and the drill boom, and cartridge outer surface is equipped with External screw thread, the compressing member 83 are equipped with the through slot 831 passed through for canister portion, which is equipped with internal screw thread, Cong Heke Realize being spirally connected between compressing member and canister portion；Preferably, 831 inner wall of through slot is to be obliquely installed, so that the both ends of through slot 831 It is respectively formed big opening end 832 and osculum end 833, and the inside radius at osculum end 833 is equal to the thickness of canister portion and drill boom penetrates through-hole The sum of partial radius, so that osculum end can compress completely canister portion when compressing member is screwed to canister portion and penetrated to osculum end To drill boom；Preferably, two V shaped opening grooves 811 are symmetrically arranged in cartridge 81 so that canister portion can generate it is certain Deformation is installed safer when sealing element；And the presence of V shaped opening groove 811, so that settable being slightly larger than of the internal diameter of canister portion is bored The outer diameter of arm consequently facilitating drill boom passes through through-hole, while can also ensure that compressing member in locking, can compress completely canister portion On drill boom outer surface.

The sealing element is air ring made of rubber, and 81 inner wall of cartridge is equipped with the matched with the sealing element One annular groove 812, the drill boom 3 are equipped with the second annular groove 31 matched with the sealing element；Preferably, first annular groove 812, the sum of depth of the second annular groove 31 is h, and the thickness of the sealing element 82 is greater than the h, thus when canister portion is compacted part lock Tightly to when be fitted on drill boom outer surface completely, to be interference fitted between sealing element and the first, second annular groove, sealing effect is good It is good.

Further, the upper surface of the big opening end 832 upwardly extends to form a circle seal boss 834, and seal boss 834 inner wall is equipped with flexible layer 835, which is made of rubber, is bonded on the inner wall of seal boss 834;It is described The lower end surface at osculum end 833 is downwardly extending a circle sealing edge 836, and the inner wall of sealing edge 836 is equipped with a sealant 837, which is made of rubber, and is bonded on the sealing edge 836；By the setting of flexible layer and sealant, effectively It prevents muddy water from entering between compressing member and canister portion, prevents screw thread between the two from being crammed by silt.

The second seals structure includes annular convex platform 91, flexible seal layer 92 and connector 93;The annular convex platform 91 It is directed out and is extended to form by the drill bit outer wall, the outer diameter of annular convex platform 91 is greater than the diameter of guard shield lower openings；It is soft Property sealant 92 be made of rubber, and the flexible seal layer 92 be set to the annular convex platform lower surface on, the connector 93 be firsthand screw on the market, after drill bit is penetrated to guard shield, the inner wall and annular convex platform following table of guard shield The flexible seal layer 92 in face is inconsistent, after screw is passed through guard shield and flexible seal layer 92 later, screws in annular convex platform In 91, guard shield is locked on annular convex platform, realizes that the sealing between guard shield lower part and drill bit cooperates.

Claims

1. a kind of construction techniques, comprising the following steps:

Rotary digging stake holes: pile foundation position is determined according to construction drawing, and soil layer is opened using rotary digging equipment brill；Later in mud off In the case of, the drill bit of rotary digging equipment continues downward rotary digging, until rotary digging forms stake holes to required depth；During rotary digging Mud balance in stake holes is≤1.25；

It hangs steel reinforcement cage: steel reinforcement cage and conduit being hung in the stake holes molded into step (1) by crane, and pass through conduit The sediment of stake holes bottom is discharged；

Pretreatment building waste: recycled concrete aggregate is cut into bulk by cutting machine, the blocky concrete of cutting is not advise Then shape, and pass through blasting treatment on its outer surface into rough surface；Discarded brick, tile are ground by stone crusher It is granular；Discarded marble is cut into blocky marble by cutting machine, and by drilling machine in blocky marmorean difference Position is punched, and the hole on the blocky two neighboring face of marble is interconnected the L-shaped landfill channel of shape；It is built later by above-mentioned Building refuse is mixed to form building waste A together；

Premix: by rotary digging stake holes drills out in building waste A, step (1) soil, cement, water with the weight ratio of 4:1:1:0.6 into Row mixing；When mixing, first soil and cement are premixed, water is added later and is mixed into paste mixture, finally to pulpous state Building waste A is put into mixture, and is uniformly mixed, and perfusion materia C is made；

Perfusion forming pile: Grouting Pipe is sling by crane, so that the outlet end of Grouting Pipe is apart from stake holes bottom, there are 5m-10m Distance；Perfusion materia C obtained in step (4) is poured by Grouting Pipe to the stake holes of step (1) shape later；Perfusion In the process, when material Man Zhiyu Grouting Pipe exports end in contact, Grouting Pipe is sling to one end distance upwards, continues to be perfused；It repeats Operation forms bored concrete pile until entire stake holes is filled with.