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冷再生機(jī)施工時(shí)對材料用量的計(jì)算
來源：http://www.kqj188.com/ 日期：2023-05-22 發(fā)布人：
（1）根據(jù)原道路再生深度內(nèi)的平均密度，計(jì)算每平米新料的添加量。
(1) Calculate the amount of new material added per square meter based on the average density within the regeneration depth of the original road.
（2）根據(jù)每車料的質(zhì)量或體積，計(jì)算每車料的堆放距離。
(2) Calculate the stacking distance of each vehicle based on its mass or volume.
（3）采用人工擺放和攤鋪水泥，應(yīng)根據(jù)水泥用量3.9%,計(jì)算每平方米水泥穩(wěn)定層需要的水泥用量17.4kg,確定水泥擺放的縱橫間距。
(3) Using manual placement and paving of cement, the cement dosage required for each square meter of cement stable layer should be calculated based on 3.9% of the cement dosage, and the vertical and horizontal spacing of cement placement should be determined.
冷再生機(jī)行進(jìn)速度應(yīng)根據(jù)路面損壞狀況和冷再生深度進(jìn)行調(diào)整，一般為5m/min~7m/min,使得銑刨后料的級(jí)配波動(dòng)范圍不大。應(yīng)根據(jù)道路兩側(cè)設(shè)置的水平控制樁，定期核查再生深度是否正確，如冷再生深度超過設(shè)計(jì)深度±1cm,應(yīng)查明原因后再繼續(xù)施工。冷再生機(jī)后應(yīng)有專人進(jìn)行質(zhì)量控制，隨時(shí)檢查再生深度、水泥含量和含水量，并配合再生機(jī)操作員進(jìn)行調(diào)整。
The travel speed of the cold recycling machine should be adjusted based on the damage condition of the road surface and the depth of cold recycling, generally ranging from 5m/min to 7m/min, so that the fluctuation range of the material grading after milling is not large. Regular verification of the correct regeneration depth should be carried out based on the horizontal control piles set on both sides of the road. If the cold regeneration depth exceeds the design depth by ± 1cm, the cause should be identified before continuing construction. After the cold regeneration machine, there should be a dedicated person for quality control, who should check the regeneration depth, cement content, and water content at any time, and cooperate with the regeneration machine operator to make adjustments.
冷再生機(jī)租賃廠家再來講講試驗(yàn)段施工：
Let's talk about the construction of the experimental section again from the rental manufacturer of the cold regeneration machine:
（1）根據(jù)經(jīng)驗(yàn)和所用冷再生機(jī)械的特點(diǎn)，按6m/min再生機(jī)行進(jìn)速度和轉(zhuǎn)子速度的組合方案對舊路進(jìn)行銑刨，取銑刨后具有代表性的材料送往試驗(yàn)室進(jìn)行篩分，級(jí)配已接近理想級(jí)配。
(1) Based on experience and the characteristics of the cold recycling machinery used, the old road was milled using a combination plan of 6m/min recycling machine travel speed and rotor speed. After milling, representative materials were sent to the laboratory for screening, and the grading was close to the ideal grading.
（2）按照室內(nèi)試驗(yàn)結(jié)果，在舊路上攤鋪新加料或填料，但不添加穩(wěn)定劑，按（1）確定的方案進(jìn)行銑刨，取銑刨后具有代表性的材料樣品送往實(shí)驗(yàn)室進(jìn)行篩分，如果篩分后的級(jí)配與室內(nèi)設(shè)計(jì)級(jí)配超過允許波動(dòng)范圍，應(yīng)調(diào)整再生機(jī)速度和轉(zhuǎn)子速度，使銑刨后的級(jí)配與室內(nèi)設(shè)計(jì)級(jí)配相比波動(dòng)在允許范圍內(nèi)。
(2) According to the indoor test results, pave new materials or fillers on the old road without adding stabilizers, and carry out milling according to the scheme determined in (1). Take representative material samples after milling and send them to the laboratory for screening. If the grading after screening exceeds the allowable fluctuation range compared to the indoor design grading, adjust the speed of the regeneration machine and rotor to ensure that the grading after milling fluctuates within the allowable range compared to the indoor design grading.
（3）根據(jù)穩(wěn)定劑類型，采用1~3種壓實(shí)方案進(jìn)行施工（包括壓路機(jī)噸位、突出順序、遍數(shù)等），以確定為合理的突出方案。
(3) According to the type of stabilizer, 1-3 compaction schemes are used for construction (including roller tonnage, compaction sequence, number of passes, etc.) to determine the reasonable compaction scheme.
（4）取冷再生機(jī)經(jīng)銑刨、拌和后的混合料，送往試驗(yàn)室，對以水泥作為穩(wěn)定劑的冷再生，測定冷再生混合料的含水量、水泥量，并按公路工程無機(jī)結(jié)合料穩(wěn)定材料試驗(yàn)規(guī)程要求成型試件，測定其7d無側(cè)限抗壓強(qiáng)度。
(4) Take the mixture from the cold recycling machine after milling and mixing, and send it to the laboratory. For the cold recycling mixture with cement as the stabilizer, measure the water content and cement content of the cold recycling mixture, and shape the test piece according to the requirements of the test code for inorganic binder stabilized materials in highway engineering, and measure its 7-day unconfined compressive strength.
（5）對試驗(yàn)段的彎沉、壓實(shí)度、平整度、厚度、寬度等指標(biāo)進(jìn)行檢測。
(5) Inspect the deflection, compaction, flatness, thickness, width and other indicators of the experimental section.
根據(jù)試驗(yàn)段的結(jié)果確定冷再生混合料的級(jí)配、施工時(shí)采用的再生機(jī)行進(jìn)速度、轉(zhuǎn)子速度及再生結(jié)構(gòu)壓實(shí)工藝。更多相關(guān)事項(xiàng)就來我們網(wǎng)站http://www.kqj188.com咨詢了解！
Based on the results of the experimental section, determine the gradation of the cold recycled mixture, the traveling speed of the recycling machine used during construction, the rotor speed, and the compaction process of the recycling structure. For more related matters, come to our website http://www.kqj188.com Consultation and understanding!
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