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7results about How to "Convenient grouting" patented technology
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Construction process of anti-floating anchor rod and anti-floating anchor rod
PendingCN122257847AImprove the anchoring effectenhanced interactionEarth drilling toolsProtective foundationPre stressRock bolt
This application relates to the field of anti-buoyancy technology in building engineering, and particularly to an anti-buoyancy anchor construction process and an anti-buoyancy anchor, comprising: S1: preliminary preparation; S2: rod assembly; S3: hole drilling and enlarging, drilling a deep hole at a preset position, and after drilling to the target depth, performing end enlarging construction within the enlarged hole depth range to form an anchoring grouting zone; S4: anchor lowering, lowering the finished anchor to the target depth in the hole, at which time the enlarged bladder extends into the sediment at the bottom of the hole; S5: grouting operation, injecting grout into the enlarged bladder through a grouting pipe to expand the enlarged bladder and push the sediment at the bottom of the hole outward until the enlarged bladder is filled with grout, completing the grouting construction in one step, and completing the grouting construction of the gap between the anchor rod and the inner wall of the hole; S6: prestressing locking; S7: casting to obtain the anchor anti-buoyancy system; This application has the effect of reducing the possibility that sediment at the bottom of the hole will combine with the concrete mortar during the grouting process and affect the anchoring effect of the anti-buoyancy anchor.
Owner:BEIJING GEOLOGICAL ENG CO
A folding linear pipe line profile measuring device
The utility model relates to municipal works pipe jacking construction technology field discloses a kind of folding linear pipe jacking line shape measuring devices, including clamping mechanism, folding ruler, adjustable target and the telescopic fixing mechanism for locking the included angle between clamping mechanism and folding ruler;The clamping mechanism is used to clamp the measuring device in the end of pipe wall two sides of construction pipe jacking;Folding ruler one end articulates clamping mechanism;Folding ruler is provided with recess along length direction, and folding ruler is divided into several short rulers, and short ruler is connected with hinge;Laser source and reflector are provided on the adjustable target, and adjustable target is embedded recess to form sliding connection;The telescopic fixing mechanism includes telescopic link and first fixed bolt.The utility model integrates clamping, extension, measurement, target and locking function in one, adapt to the narrow space limit of construction;The short ruler design of folding ruler meets different pipe diameter measurement demand;Telescopic link adjusts included angle, ensures that folding ruler is perpendicular to pipeline axis, reduces inclination error.
Owner:SCEGC MECHANIZED CONSTR GRP COMPANY
Anti-floating anchor positioning device
ActiveCN224186735URapid mechanical clamping positioningfast positioningProtective foundationBulkheads/pilesElectric machineryStructural engineering
Owner:GUANGDONG HUANKE SPECIAL CONSTR ENG CO LTD
Overhead line iron tower foundation structure and construction method thereof
PendingCN121952140Areduce moisture contentHigh porositySoil preservationSoil porosityMesh reinforcement
The invention provides an overhead line iron tower foundation structure and a construction method thereof, and belongs to the technical field of overhead line iron towers, and the construction method comprises the following steps: a foundation pit is excavated, the bottom of the foundation pit is pretreated with acid liquor and alkali liquor in sequence, grouting is performed after heating and drying, a grouting cushion layer is obtained, and slurry adopted for grouting comprises silica fume, sodium hydroxide, an aluminum source and water; foundation bolts are inserted into the set positions of the grouting cushion layer, a reinforcing mesh is laid, concrete pouring is conducted, column foot connecting parts are installed on the foundation bolts, and the iron tower foundation structure is manufactured; and the foundation pit is filled with non-frost heaving soil to be compacted. The grouting cushion layer is prepared by grouting the bottom of the foundation pit, and the dense grouting cushion layer is formed after the slurry is injected into the soil layer pores, so that the porosity of the soil layer is reduced, the effective stress is increased, the strength and stability of the soil layer can be improved, and melting settlement deformation can be effectively resisted.
Owner:CHINA ELECTRIC POWER DEV RES INST CO LTD +1
Termite grouting control device
ActiveCN224179014UAchieve groutingConvey evenlyInsect catchers and killersStructural engineeringDrill hole
The utility model provides a termite grouting control device which comprises a grouting cylinder. A stirring assembly is installed in the middle of an inner cavity of the grouting cylinder, a handle is fixedly connected to the surface of the grouting cylinder, a butt joint assembly is installed on the lower portion of the surface of the grouting cylinder, a liquid flowing assembly is installed at one end of the grouting cylinder, and a rotary connecting assembly is installed on the upper portion of the surface of the liquid flowing assembly. A butt joint ring is fixedly connected to one end of the grouting cylinder and matched with one end of an inner cavity of the liquid flowing assembly in an inserted mode. The liquid flowing assembly comprises a liquid flowing pipe, one end of the butt joint ring is matched with one end of an inner cavity of the liquid flowing pipe in an inserted mode, drilling threads are fixedly connected to the surface of the liquid flowing pipe, liquid outlet holes are symmetrically formed in the lower portion of the surface of the liquid flowing pipe, and an auxiliary liquid flowing component is installed on the upper portion of the inner cavity of the liquid flowing pipe. According to the termite nest grouting device, the grouting barrel, the stirring assembly, the butt joint assembly, the liquid flowing assembly and the rotary connecting assembly are matched with one another, and grouting treatment can be conducted on termite nests.
Owner:ANHUI ANJING BIOTECHNOLOGY CO LTD
Device for preventing mud backflow of shield tunnel synchronous grouting pipe and grouting method thereof
ActiveCN115853545Bprevent backflowRealize automatic sealingOperating means/releasing devices for valvesUnderground chambersSlurryShield tunneling
The present application relates to shield tunnel synchronous grouting technical field, especially to prevent the device of shield tunnel synchronous grouting duct slurry backflow, it includes grouting duct, drive part, blocking door body and connecting duct, grouting duct is docked with connecting duct and communicates, and grouting duct and connecting duct are equipped with blocking door body between, blocking door body is rotatably connected with the end of grouting duct, drive part drives blocking door body to rotate to be used for opening or covering grouting duct, at least two pressure sensors are provided on connecting duct;The present application also provides the grouting method of preventing slurry backflow of the device, the device is through setting grouting duct, drive part, blocking door body and connecting duct, blocking door body is rotatably connected with the end of grouting duct, drive part drives blocking door body to rotate to be used for opening or covering grouting duct, grouting, blocking door body is opened by grouting pressure to facilitate grouting, after grouting is completed, drive part drives blocking door body to block grouting duct mouth, to prevent slurry backflow.
Owner:SOUTHWEST JIAOTONG UNIV +2
Grouting head and grouting system suitable for pipe and cable combined type anchoring structure
ActiveCN224120269UConvenient groutingno interference will occurAnchoring boltsStructural engineeringSlurry
The utility model relates to the technical field of supporting structures, in particular to a grouting head and a grouting system suitable for a pipe and cable combined type anchoring structure, the grouting head comprises a grouting head, an outer sleeve and an inner sleeve, a cavity is formed in the grouting head, and a grouting nozzle is arranged on the cavity wall of the cavity in a penetrating mode; the outer sleeve sleeves the outer side of the inner sleeve, a first channel is formed between the outer sleeve and the inner sleeve, and the first channel is communicated with the cavity; the inner sleeve is separated from the cavity; the grouting nozzle is used for receiving external grout and enabling the external grout to enter the cavity, the outer sleeve is arranged on the outer side of the inner sleeve in a sleeving mode, a first channel is formed between the outer sleeve and the inner sleeve, and the first channel is communicated with the cavity, so that the grout entering the cavity flows into the first channel, grouting of the hollow anchor rod is facilitated, further, the inner sleeve is separated from the cavity, and the grouting effect is improved. The anchor cable penetrates through the inner sleeve, the anchor cable is separated from the cavity, and therefore when the grouting head is installed on the pipe-cable combined type anchoring structure, the grouting head and the anchor cable cannot interfere with each other.
Owner:四川川高工程技术咨询有限责任公司 +1