Unconfined compression strength test 室內(nèi)土工試驗(yàn)無側(cè)限抗壓強(qiáng)度試驗(yàn)
Many beating experiments of different quality of added lime and unlimited compress strength experiments of different time have been made 為了研究摻石灰對(duì)膨脹土的影響,進(jìn)行了不同摻灰率的擊實(shí)試驗(yàn)和不同齡期的石灰土無側(cè)限抗壓強(qiáng)度試驗(yàn)。
Many beating experiments of different quantity of added lime and unlimited compress strength experiments of different protective time have been made 為了研究摻石灰對(duì)膨脹土的影響,進(jìn)行了不同摻灰率的擊實(shí)試驗(yàn)和不同齡期的石灰土無側(cè)限抗壓強(qiáng)度試驗(yàn)。
The mechanics properties of two type of the lwts mixed with different foamed plastic beads are researched by the uniaxial compression test , the isotropic compression test and the triaxial compression test 本文對(duì)添加不同種類泡沫塑料顆粒的輕質(zhì)混合土試樣進(jìn)行了無側(cè)限抗壓強(qiáng)度試驗(yàn)、等向壓縮試驗(yàn)及三軸剪切試驗(yàn)。
On basis of the data of unlimited compress strength experiments , the paper gets the relationship between unlimited compress strength of lime - soil and the quantity of added lime . the paper also discusses the reason why the lime can dispel the expansive and shrink quality of expansive soil 通過無側(cè)限抗壓強(qiáng)度試驗(yàn),得到石灰土無側(cè)限抗壓強(qiáng)度與摻灰量的關(guān)系及齡期對(duì)石灰土無側(cè)限抗壓強(qiáng)度的影響,同時(shí)對(duì)石灰改善膨脹土的機(jī)理作探討。
On basis of the data of the unlimited compress strength experiments , the paper gets the relationship between unlimited compress strength of lime - soil and the quantity of added lime . the paper also discusses the reason why the lime can dispel the expansive and shrink quantity of expansive soils 通過無側(cè)限抗壓強(qiáng)度試驗(yàn),得出了石灰土無側(cè)限抗壓強(qiáng)度與摻石灰量的關(guān)系及齡期對(duì)石灰土無側(cè)限抗壓強(qiáng)度的影響,同時(shí)對(duì)石灰改善膨脹土的機(jī)理作進(jìn)一步的探討。
The unconfined compressive strength , shearing strength and permeabi lity of stabilized soils were tested in laboratory , the strength of contaminated composite soils sampled with different ph and soaped in corresponding ph were compared . the results from experiments indicate that there exists a certain relationship between the soft soil properties and the unconfined compressive of grouted soil . with the increase of water content , porosity ratio , degree of porosity , plasticity limit , liquid limit and liquid index , the compressive strength of cement - sodium silicate - stabilized soil decreases , while increases as the bulk weight and compressibility modulus 通過對(duì)水泥?水玻璃加固土的無側(cè)限抗壓強(qiáng)度試驗(yàn),以及用不同酸堿性水制成與養(yǎng)護(hù)的固結(jié)土所進(jìn)行強(qiáng)度對(duì)比試驗(yàn),得出軟土的物理力學(xué)性質(zhì)指標(biāo)與加固土的抗壓強(qiáng)度之間存在一定的相關(guān)關(guān)系,即隨著含水量、孔隙比、孔隙度、液塑限及液性指數(shù)的增加,水泥?水玻璃加固土的抗壓強(qiáng)度相應(yīng)地降低;而隨著原狀土的容重、壓縮模量的增加,水泥土的抗壓強(qiáng)度也隨之增加。
Based on analysis on research existing status and application foreground of nanometer materials in cemented based material , the paper firstly discusses the microstructure properties of the three nanometer materials and compares them with the corresponding ordinary crystals . by unconfining compression strength tests of the cemented soil stabilized with the nanometer materials , influencing rules of nanometer material addition ratio and curing period on the strength are individually analyzed 在總結(jié)納米材料在水泥基材料中的應(yīng)用現(xiàn)狀以及應(yīng)用前景的基礎(chǔ)上,本文首先分析了三種納米礦粉的微結(jié)構(gòu)特性及其與普通礦粉的微結(jié)構(gòu)特性異同;通過水泥土室內(nèi)無側(cè)限抗壓強(qiáng)度試驗(yàn),探討了納米礦粉摻入比和齡期對(duì)水泥土強(qiáng)度的影響規(guī)律。
Match ratio tests are done by using cement and fly - ash as curing agent , which include making soft clay with different water content into different mixing ratio cement - stabilised clay , and mixing cement and fly ash to make different cement - fly ash stengthened clay to soft clay with ascertaining water content . afterwards unconfined compression strength is tested at different curing age . the microstructures and mechanisms of cement soil and cement - fly ash soil are studied by mean " , of x - ray and scanning electron microscope ( sem ) technology 采用水泥和粉煤灰為固化劑在室內(nèi)進(jìn)行其配合比試驗(yàn),對(duì)含水量不同的軟粘土制成不同摻入比的水泥土以及對(duì)含水量值固定的軟粘土制成水泥、粉煤灰摻入量分別不同的水泥-粉煤灰加固土,并在不同齡期時(shí)進(jìn)行無側(cè)限抗壓強(qiáng)度試驗(yàn);運(yùn)用x射線衍射和掃描電子顯微鏡技術(shù),對(duì)水泥土及水泥-粉煤灰加固軟土的微觀結(jié)構(gòu)和機(jī)理進(jìn)行分析。