CN106186911A - A kind of stove dirt concrete tubular pile and preparation method thereof - Google Patents

Abstract

The invention discloses a kind of stove dirt concrete tubular pile, due to the fact that the incorporation of ethoxylation IR fiber can be effectively improved inside concrete pore structure, form a large amount of blind hole, thus stop pore to form the most through network structure system, formed together " anti-carbonation band ", intrusion to suppression carbon dioxide serves further reinforced effects, harmful hole and defect content in additionally can reducing xoncrete structure, reduce the alkalescence of hydrated product, promote low-intensity hydrated product to change to high intensity hydrated product.

Description

A kind of stove dirt concrete tubular pile and preparation method thereof

Technical field

The present invention relates to a kind of stove dirt concrete tubular pile, particularly relate to a kind of stove dirt concrete tubular pile and preparation method thereof.

Background technology

Xoncrete structure is one of structure of being most widely used, and there are the building construction of about 70% and the bridge knot of 50% in China Structure have employed xoncrete structure. and along with these engineering structures use the growth of time, the durability of concrete material and structure is broken Badly increasingly coming into one's own, many engineering structures are often due to the reason of durability causes use functional deterioration even structure to break Bad, bring unnecessary loss to society. concrete carbonization is one of important durability index of concrete, due in air Carbon dioxide and concrete in alkali substance reaction so that concrete presents the process of neutralization and is i.e. referred to as the carbon of concrete Changing, carbonization makes the reinforcing bar in xoncrete structure lose the protection of passivating film, easily makes reinforcing bar get rusty, and then it is broken to make structure occur Bad. along with the continuous propelling of process of industrialization, the discharge capacity of carbon dioxide increases, while producing greenhouse effect, to coagulation The durability of soil structure also creates adverse effect；

The present invention wants to use waste and old rubber powder as modified filler, reduces the carbonization of concrete, but first rubber grain Surface is nonpolar, and cement matrix is polarity, and both compatibilitys are poor, and under surface tension effects, cement slurry is deviated from The tension force of rubber particle surface, makes rubber produce crack with cement mortar faying face, and this crack makes concrete density reduce, with Time provide passage more easily also to the intrusion of carbon dioxide, enhance carbonization effect on the contrary, carbonization to be reduced, first First to be modified rubber surface processing.

Summary of the invention

Instant invention overcomes prior art not enough, it is provided that a kind of and preparation method thereof.

The present invention is achieved by the following technical solutions:

A kind of stove dirt concrete tubular pile, it is made up of the raw material of following weight parts:

Stove dirt 40-50, triallyl cyanurate 2-3, aluminium silicate 4-8, sym-closene 0.1-0.2, maleic anhydride 5-6, N-methyl pyrrolidone 7-10, Portland cement 500-640, yellow ground 300-400, rubble 200-300, polycarboxylate water-reducer 7-15, Tissuemat E 16-20, poly glycol monomethyl ether 2-3, sp-80 0.7-2, waste rubber powder 50-70, diphenyl peroxide first Acyl 0.1-0.2, terpineol 0.4-1, styrene-acrylic emulsion 3-6, sodium borohydride 1-2.

The preparation method of a kind of stove dirt concrete tubular pile, comprises the following steps:

(1) sodium borohydride is joined in 3-4 times of water, stir, obtain sodium borohydride solution；

(2) by sym-closene, terpineol mixing, stir, add above-mentioned sodium borohydride solution, drip the sulphuric acid of 98%, Regulation PH is 1-2, adds Tissuemat E, sends in the water-bath of 30-40 DEG C, and standing and reacting 1-2 hour obtains pre-modified poly ethylene Wax；

(3) take the 10-15% of above-mentioned stove dirt weight, add styrene-acrylic emulsion, rise high-temperature and be 80-90 DEG C, add cyanuric acid triolefin Propyl ester, stirring mixing 3-5 minute, add above-mentioned waste rubber powder, insulated and stirred 2-3 minute at 100-105 DEG C, discharging is cold But, modified rubber is obtained；

(4) above-mentioned pre-modified polyethylene wax is joined in No. 3 white oils of its weight 3-4 times, add dibenzoyl peroxide, horse Carrying out anhydride, insulated and stirred 2-3 hour at 130-140 DEG C, discharging is cooled to room temperature, joins the third of cooling material weight 2-3 times In ketone, it is sufficiently stirred for, filters, be dried, obtain modified polyethylene wax；

(5) modified rubber is joined in n-methyl pyrrolidone, stir, obtain modified rubber liquid；

(6) taking above-mentioned modified polyethylene wax, add poly glycol monomethyl ether, 60-100 rev/min is stirred 3-5 minute, adds above-mentioned No. 3 white oils of mixed system weight 1.8-2 times, insulated and stirred 3-4 hour at 80-90 DEG C, sucking filtration, it is dried, obtains the poly-second of ethyoxyl Alkene wax；

(7) ethyoxyl Tissuemat E is joined in 10-12 times of deionized water, add sp-80, stir, add above-mentioned changing Property rubber liquid, insulated and stirred 20-30 minute in the water-bath of 80-90 DEG C, reduce temperature be 30-40 DEG C, add triethylamine, continue Insulated and stirred 1-2 hour, discharging cools down, and filter pressing is dried, obtained ethoxylation rubber；

(8) use establishment machinery to weave steel reinforcement cage, load after steel reinforcement cage establishment in the pipe pile die of required type, make steel Muscle pipe pile die；

(9) ethoxylation rubber is sent in blender, add and remain each raw material, add suitable quantity of water, stir, be injected into State in reinforced tube pile die, install die cover, carry out stretch-draw, be centrifuged, pipe of concrete forming pile, atmospheric steam curing, control Thermostat temperature is 75-85 DEG C, and curing time is 6-10 hour, and still kettle is put in the demoulding, carries out autoclave curing, constant voltage pressure Power is 0.8-0.9Mpa, cooling, obtains described stove dirt concrete tubular pile.

The invention have the advantage that

First ethyoxyl Tissuemat E in the present invention is to be formed with maleic anhydride molecule on the strand of Tissuemat E to hang together knot Structure, thus on Tissuemat E strand, introduce polar group-COOH, then existed by graft modification with poly glycol monomethyl ether The carboxyl introduced in molecule carries out esterification, and after esterification, the side chain at grafting wax introduces a certain amount of ethyoxyl, further Improve the hydrophilic of Tissuemat E, be conducive to, with surfactant, it is carried out emulsifying, obtain stable wax emulsion, meanwhile, Maleic anhydride is polar molecule, and the Tissuemat E after ethoxylation also has good surface polarity, with rubber liquid blending and modifying After, the nonpolar property on waste and old rubber particle surface can be improved, strengthen the compatibility with cement matrix, reduce the tension force on surface, Make rubber more closely knit with cement mortar faying face, improve intensity and the resistance of formation of concrete, thus prevent carbon dioxide Intrusion, reduce carbonization effect, simultaneously because the incorporation of ethoxylation IR fiber can be effectively improved inside concrete hole knot Structure, forms a large amount of blind hole, thus stops pore to form the most through network structure system, form " anti-carbonation together Band ", the intrusion to suppression carbon dioxide serves further reinforced effects, harmful in additionally can reducing xoncrete structure Hole and defect content, reduce the alkalescence of hydrated product, promotes low-intensity hydrated product to change to high intensity hydrated product；

The stove dirt that the present invention adds, as raw material, has been accomplished solid waste renewable resources, it is achieved that industrialized production, has been saved one-tenth This.

Detailed description of the invention

Below in conjunction with embodiment, the present invention is described in further detail:

Embodiment 1:

A kind of stove dirt concrete tubular pile, it is made up of the raw material of following weight parts:

Stove dirt 40, triallyl cyanurate 2, aluminium silicate 4, sym-closene 0.2, maleic anhydride 5, n-methyl pyrrolidone 10, Portland cement 640, yellow ground 400, rubble 300, polycarboxylate water-reducer 15, Tissuemat E 20, poly glycol monomethyl ether 3, sp-80 0.7, waste rubber powder 70, dibenzoyl peroxide 0.2, terpineol 0.4-1, styrene-acrylic emulsion 6, sodium borohydride 2.

The preparation method of a kind of stove dirt concrete tubular pile, comprises the following steps:

(1) sodium borohydride is joined in 3 times of water, stir, obtain sodium borohydride solution；

(2) by sym-closene, terpineol mixing, stir, add above-mentioned sodium borohydride solution, drip the sulphuric acid of 98%, Regulation PH is 1, adds Tissuemat E, sends in the water-bath of 40 DEG C, and standing and reacting 1 hour obtains pre-modified polyethylene wax；

(3) taking the 15% of above-mentioned stove dirt weight, add styrene-acrylic emulsion, rising high-temperature is 90 DEG C, adds triallyl cyanurate, Stirring mixing 3 minutes, adds above-mentioned waste rubber powder, insulated and stirred 2-3 minute at 105 DEG C, and discharging cools down, obtains modified rubber Glue；

(4) above-mentioned pre-modified polyethylene wax is joined in No. 3 white oils of its weight 3 times, add dibenzoyl peroxide, Malaysia Anhydride, insulated and stirred 2 hours at 140 DEG C, discharging is cooled to room temperature, joins in the acetone of cooling material weight 2 times, fully stirs Mix, filter, be dried, obtain modified polyethylene wax；

(5) modified rubber is joined in n-methyl pyrrolidone, stir, obtain modified rubber liquid；

(6) taking above-mentioned modified polyethylene wax, add poly glycol monomethyl ether, 100 revs/min are stirred 5 minutes, add above-mentioned mixture It is No. 3 white oils of weight 1.8 times, insulated and stirred 3 hours at 90 DEG C, sucking filtration, it is dried, obtains ethyoxyl Tissuemat E；

(7) ethyoxyl Tissuemat E is joined in 12 times of deionized waters, add sp-80, stir, add above-mentioned modified rubber Glue, insulated and stirred 20 minutes in the water-bath of 90 DEG C, reducing temperature is 40 DEG C, adds triethylamine, continues insulated and stirred 2 little Time, discharging cools down, and filter pressing is dried, obtained ethoxylation rubber；

(8) use establishment machinery to weave steel reinforcement cage, load after steel reinforcement cage establishment in the pipe pile die of required type, make steel Muscle pipe pile die；

(9) ethoxylation rubber is sent in blender, add and remain each raw material, add suitable quantity of water, stir, be injected into State in reinforced tube pile die, install die cover, carry out stretch-draw, be centrifuged, pipe of concrete forming pile, atmospheric steam curing, control Thermostat temperature is 85 DEG C, and curing time is 10 hours, and still kettle is put in the demoulding, carries out autoclave curing, and constant-pressure pressure is 0.9MPa, cooling, obtain described stove dirt concrete tubular pile.

Performance test:

Impervious detection average seepage pressure 1.1mpa, average infiltration height 20mm；

Freeze thawing resistance circulation reaches more than 500 times；

Sulphate-corrosion resistance can reach more than K120；9

Comprcssive strength is 92.6MPa；

Chloride diffusion coefficient is 6.3 × 10^-11cm²/ s, permeability is negligible.

Claims (2)

1. a stove dirt concrete tubular pile, it is characterised in that it is made up of the raw material of following weight parts:

Stove dirt 40-50, triallyl cyanurate 2-3, aluminium silicate 4-8, sym-closene 0.1-0.2, maleic anhydride 5-6, N-methyl pyrrolidone 7-10, Portland cement 500-640, yellow ground 300-400, rubble 200-300, polycarboxylate water-reducer 7-15, Tissuemat E 16-20, poly glycol monomethyl ether 2-3, sp-80 0.7-2, waste rubber powder 50-70, diphenyl peroxide first Acyl 0.1-0.2, terpineol 0.4-1, styrene-acrylic emulsion 3-6, sodium borohydride 1-2.

2. the preparation method of a stove dirt concrete tubular pile as claimed in claim 1, it is characterised in that comprise the following steps:

(1) sodium borohydride is joined in 3-4 times of water, stir, obtain sodium borohydride solution；

(2) by sym-closene, terpineol mixing, stir, add above-mentioned sodium borohydride solution, drip the sulphuric acid of 98%, Regulation PH is 1-2, adds Tissuemat E, sends in the water-bath of 30-40 DEG C, and standing and reacting 1-2 hour obtains pre-modified poly ethylene Wax；

(3) take the 10-15% of above-mentioned stove dirt weight, add styrene-acrylic emulsion, rise high-temperature and be 80-90 DEG C, add cyanuric acid triolefin Propyl ester, stirring mixing 3-5 minute, add above-mentioned waste rubber powder, insulated and stirred 2-3 minute at 100-105 DEG C, discharging is cold But, modified rubber is obtained；

(4) above-mentioned pre-modified polyethylene wax is joined in No. 3 white oils of its weight 3-4 times, add dibenzoyl peroxide, horse Carrying out anhydride, insulated and stirred 2-3 hour at 130-140 DEG C, discharging is cooled to room temperature, joins the third of cooling material weight 2-3 times In ketone, it is sufficiently stirred for, filters, be dried, obtain modified polyethylene wax；

(5) modified rubber is joined in n-methyl pyrrolidone, stir, obtain modified rubber liquid；

(6) taking above-mentioned modified polyethylene wax, add poly glycol monomethyl ether, 60-100 rev/min is stirred 3-5 minute, adds above-mentioned No. 3 white oils of mixed system weight 1.8-2 times, insulated and stirred 3-4 hour at 80-90 DEG C, sucking filtration, it is dried, obtains the poly-second of ethyoxyl Alkene wax；

(7) ethyoxyl Tissuemat E is joined in 10-12 times of deionized water, add sp-80, stir, add above-mentioned changing Property rubber liquid, insulated and stirred 20-30 minute in the water-bath of 80-90 DEG C, reduce temperature be 30-40 DEG C, add triethylamine, continue Insulated and stirred 1-2 hour, discharging cools down, and filter pressing is dried, obtained ethoxylation rubber；

(8) use establishment machinery to weave steel reinforcement cage, load after steel reinforcement cage establishment in the pipe pile die of required type, make steel Muscle pipe pile die；

(9) ethoxylation rubber is sent in blender, add and remain each raw material, add suitable quantity of water, stir, be injected into State in reinforced tube pile die, install die cover, carry out stretch-draw, be centrifuged, pipe of concrete forming pile, atmospheric steam curing, control Thermostat temperature is 75-85 DEG C, and curing time is 6-10 hour, and still kettle is put in the demoulding, carries out autoclave curing, constant voltage pressure Power is 0.8-0.9Mpa, cooling, obtains described stove dirt concrete tubular pile.