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38results about How to "Reduce intensity differences" patented technology

Soft soil area roadbed widening structure and construction method thereof

InactiveCN106988178AReduce processing widthReduce processing costsRoadwaysExcavationsCushionSmall footprint
The invention belongs to the technical field of roadbed widening and relates to a soft soil area roadbed widening structure and a construction method thereof. The soft soil area roadbed widening structure comprises an old roadbed, a gravel cushion layer, a soft soil stratum and a lower lying supporting layer which are arranged successively from top to bottom and further comprises vertical pile bodies, connecting pieces and reinforced retaining walls. The vertical pile bodies punch through the soft soil stratum and are supported on the lower lying supporting layer; the gravel cushion layer is laid on the tops of the vertical pile bodies; steps are arranged in the position, on a slide slope after substantial slope cutting, of the old roadbed; the slope ratio of the slide slope after slope cutting is (1:0.5)-(1:1); the reinforced retaining walls are arranged on the gravel cushion layer and are buckled with the steps of the slide slope of the old roadbed; and the connecting pieces are placed on the combination parts of the reinforced retaining walls and the old roadbed and are connected with the reinforced retaining walls and the old roadbed correspondingly. The invention provides the roadbed widening structure and the construction method thereof, the occupied area is small, the foundation treatment cost is low, the filler requirement is few, construction efficiency is high, the structure is stable, and the roadbed widening structure and the construction method thereof are especially suitable for roadbed widening engineering in coastal soft soil areas.
Owner:HUAZHONG UNIV OF SCI & TECH

Treatment and construction method for grooving underground diaphragm wall encountering with underground stirring pile

The invention discloses a treatment and construction method for grooving an underground diaphragm wall encountering with an underground stirring pile. The construction method comprises the following steps: (1) judging a beyond-limit range and a hole guiding position of the stirring pile; (2) putting a percussion hammer in position and preparing slurry; (3) guiding a hole by a round drill bit and filling the hole with rock blocks; (4) trimming the hole by a square drill bit and filling the hole with the rock blocks; and (5) grooving a groove section below the depth range of the stirring pile. By means of a method which comprises the steps of backfilling gravels, using the round percussion drill to impact the beyond-limit stirring pile in advance, brushing a wall by the square percussion drill to control the perpendicularity and then grooving by using a grooving machine, the construction method solves the problem that the grooving speed of the grooving machine is slow and the grooving quality is hard to control as the strata in the grooving range are not uniform in hardness as a result of beyond-limit of the stirring pile in a construction process of the underground diaphragm wall, so that the progress of station construction is completed on schedule while the cost is saved, and a good economical benefit is obtained.
Owner:ERCHU CO LTD OF CHINA RAILWAY TUNNEL GRP

Cement soil mixing pile construction method considering intensity uniformity

InactiveCN109868811AImprove soil strength differencesGuaranteed uniformityBulkheads/pilesEngineeringDrill pipe
The invention provides a cement soil mixing pile construction method considering intensity uniformity, which comprises the following steps that a construction site is levelled, and construction positions of a plurality of unconstructed mixing piles are determined; a mixer aligns with the center position of one of the unconstructed mixing piles, and positioning of the mixer is carried out; the mixer is started to perform empty agitation sinking operation, and a drill pipe of the mixer is controlled to sink to a predetermined depth while cutting soil; the drill pipe of the mixer is controlled tocontinue to sink and simultaneously stir the soil until a design depth is reached; after the drill pipe of the mixer is lifted to the predetermined depth, a slurry sending pump is turned on to spraycement slurry into a soil body, and the drill pipe of the mixer is controlled to rotate downwards to perform stirring operation; when the drill pipe of the mixer rotates downwards to the design depth,the drill pipe of the mixer is lifted to rotate upwards to perform stirring operation, and when the drill pipe of the mixer is lifted to the earth surface or a predetermined distance above design elevation, the construction of the mixing pile is completed; and the steps are repeated until the construction of all the mixing piles is completed.
Owner:CHINA RAILWAY 12TH BUREAU GRP +1

A kind of high-strength polypropylene material and preparation method thereof

ActiveCN105383029BCrystallization morphology can be controlledModulation of Crystalline MorphologyHigh intensityCrystal habit
The invention discloses a preparation method of a high-strength polypropylene material. The preparation method is characterized in that in the machining process, the crystal habit of polypropylene is regulated and controlled, and therefore the mechanical performance of polypropylene is improved. In the machining process, a certain shear and two-way stretch force field is applied to polypropylene melt by regulating the number and type of force assembling units, under the action of the force field, the crystal habit of polypropylene is developed into shish-kebab structures orientated in different directions, the stretch strength of the polypropylene material can be remarkably improved, and the difference of the mechanical strength, in the extrusion direction, of the polypropylene product and the mechanical strength in the direction perpendicular to the extrusion direction, of the polypropylene product is weakened. The force assembling units are added to existing traditional extrusion equipment, operation is easy, continuous production can be achieved, control is convenient, quality is stable, production efficiency is high, and good industrial and market prospects are achieved; and the method can be widely applied to preparing high-strength polypropylene plate, sheet and film materials.
Owner:SICHUAN UNIV

Guniting digging and cutting structure for large-diameter wet spraying mixing pile construction drilling tool

The invention relates to a guniting digging and cutting structure for a large-diameter wet spraying mixing pile construction drilling tool, which comprises a drill bit center rod, a guniting digging and cutting unit is arranged in the radial direction of the drill bit center rod, the guniting digging and cutting unit comprises a guniting channel and a digging and cutting wing plate, and the digging and cutting wing plate is fixed on the outer wall of the drill bit center rod. One end of the slurry spraying channel is communicated with a slurry flowing channel arranged on the drill bit center rod, the slurry spraying channel is located below the digging and cutting wing plate and is parallel to the length direction of the digging and cutting wing plate, and a slurry spraying through seam is formed in the axial direction of the slurry spraying channel; the method has the characteristics of uniformly spreading the curing agent slurry along the radius of the pile body, effectively improving the pile body quality and the construction efficiency of the stirring pile, reducing the dosage of the curing agent and the like, and also has the characteristics of effectively preventing the slurry spraying pipe from being blocked, easily cleaning the blocked pipe and the like.
Owner:浙江坤德创新岩土工程有限公司

An array substrate, a touch display panel and a touch display device

The present invention provides an array substrate, a touch display panel and a touch display device. The number of inverters in the second cache unit is smaller than the number of inverters in the first cache unit, or, the number of inverters in the second cache unit The size of the inverter is smaller than the size of the inverter in the first cache unit, or the number of inverters in the second cache unit is smaller than the number of inverters in the first cache unit, and the inverter in the second cache unit The size of the phaser is smaller than the size of the inverter in the first buffer unit, therefore, by reducing the signal amplification effect of the second buffer unit in the second shift register unit, the transmission of the second shift register unit to the second The intensity of the scanning signal of the scanning line, so that the intensity difference between the intensity of the scanning signal output by the first scanning line and the intensity of the scanning signal output by the second scanning line can be reduced, and then the brightness of the conventional display area and the brightness of the notch display area can be reduced difference, improving the brightness uniformity of the display panel.
Owner:XIAMEN TIANMA MICRO ELECTRONICS
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