No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.
No. 1688, Gaoke East Road, Pudong new district, Shanghai, China.
Cement was obtained from Chongqing Huanxin Yanjing Cement Co., Ltd. (Chongqing, China). The production of composite Portland cement P.C42.5R was in line with the national "General Portland cement" (GB175-2007) requirements. The clay ceramsite was produced by Chongqing Caishan Ceramsite Factory (Chongqing,
Individual Grande Ronde Basalt flows can range in thickness from 8 to 180 m, with the maximum total thickness of the Grande Ronde Basalt section being 555 m. As the Grande Ronde Basalt flows advanced into the map area, they covered plains, filled stream-cut valleys and canyons up to 160 m deep, and surrounded extinct volcanoes 750 m tall.
At the foundation of Baihetan Hydropower Station, columnar jointed rock mass is widely distributed. A large number of laboratory and in situ tests give a clear illustration of the …
Distribution and Geochemistry of Komatiites and Basalts Through the Archean. Stephen J. Barnes, Nicholas T. Arndt, in Earth's Oldest Rocks (Second Edition), 2019 2.4 Classification of Basalts. Basalts are a ubiquitous component of all greenstone belts (de Wit and Ashwal, 1997).In some cases, they are intercalated with komatiites but more commonly they occur as thick …
The cause of the observed asymmetry in nearside/farside mare basalt distribution (nearside ∼15% of the surface, farside ∼1%) has been attributed to differences in crustal thickness and the magma buoyancy at the base of the thicker crust, but this single factor is challenged by the presence of the ancient very deep SPA basin (average ∼5 km), significantly …
School of Civil Engineering, Chongqing University, Chongqing 400045, China. 4. ... Luo, D. Strength and chloride ion distribution brought by aggregate of basalt fiber reinforced coral aggregate concrete. Constr. Build. Mater. 2020, 234, 117390. [Google Scholar] Zeng, Y.; Tang, A. Comparison of effects of basalt and polyacrylonitrile fibers on ...
Our results provide direct seismic evidence for basalt enrichment in the MTZ on a global scale, where it should be borne in mind that the lateral distribution of basalt-rich material may be highly heterogeneous.
Only basalt fiber has silicon elements, so the left region of Fig. 11 (d) is filled by black. The inter-laminar region is also identified by the distribution of silicon elements in the right part as shown by the yellow line. The distribution of component elements demonstrates the less voids and well bonding between fiber and matrix.
Basalt Fibers is a material made from extremely fine fibers of Basalt Fibers, which is composed of the minerals plagioclase, pyroxene, and olivine. Chemical Products Benzophenone can be used as a photo initiator in UV(Ultra-violet)-curing applications such as inks, imaging, and clear coatings in the industry.
Profile distribution of columnar basalt at Baihetan dam site: (a) left bank of dam site and (b) profile information of Line I. ... 400 km from Chongqing, Chengdu, or Guiyang, respectively. The ...
The cumulative acoustic emission quantity and energy released when the columnar jointed basalts (CJBs) reach their strength under compression are important theoretical foundations for studying the mechanical characteristics of CJBs and for relevant engineering monitoring and reinforcement. Combining meso-mechanics of damage, statistical strength …
The strength properties of basalt fiber-reinforced biocemented (BFRB) sand specimens with various calcite contents and fiber contents are investigated through a series of unconfined compressive ...
Basalt Properties . Color: While typically described as black, basalt can exhibit a range of hues due to variations in mineral composition and oxidation. Shades of grey, green, and even reddish-brown are possible. Texture: Basalt exhibits a wide range of textures, from fine-grained and aphanitic (almost glass-like) to coarse-grained and porphyritic (containing larger crystals within …
The isotope data of late Cenozoic lavas from the SCS seamounts and SE Asia can be explained by mixing between enriched mantle 2 (EM2) and depleted mid-ocean ridge …
Cenozoic basalts are widely distributed in eastern China, and some of them contain zircon megacrysts which are considered to be constituent mineral of the subcontinental lithospheric mantle...
Baseline values were expressed as arithmetic means if they obeyed a normal distribution, geometric means if they obeyed a lognormal distribution, and median values for …
Silicic and alkali intra-seam tonsteins were discovered earlier in southwestern China. This paper reports new data on the geochemical and mineralogical compositions of tonsteins from the Songzao Coalfield, Chongqing, southwestern China, and provides new insights into the origin and distribution of the minerals and elements present.
In a recent publication (Simpson Jr. et al., 2017), we reported archaeological site and archaeometric data using inductively coupled plasma–mass spectrometry (ICP–MS) from the adze quarry Rua Tokitoki and a fine–grained basalt source 1 on Poike (Fig. 1).This allowed for the development of a geochemical baseline to assign geological sources to archaeological samples.
The distribution of basalt can reveal a lot about Earth's internal processes and tectonic history. Basalt is found in a variety of geological settings: Oceanic Crust.
The reduction of RPC compressive strength, along with the increase in basalt fibers content, leads to the increase of the total porosity, as well as the change in pore volume distribution.
polypropylene–basalt ber with dierent ber content. e coarse polypropylene ber content was selected as 6 kg/m 3 and 9 kg/m, while the basalt ber content was 3 kg/m 3 and 6 kg/m according to previous experimen-tal research and engineering experience (Banthia, 2005; Deng et al., 2020b; Liang et al. 2019c; Zieliński & Olsze-wski, 2005).
Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. ... Chongqing University, Chongqing, China 2College of Resources and Environmental Science, ... Basalt fiber is inorganic fiber made from natural basalt ore's high temperature melting, drawing and cooling. ...
Basalt-polypropylene fiber reinforced concrete for durable and sustainable pipe production. Part 2: Numerical and parametric analysis. Zhiyun Deng, Zhiyun Deng. School of Civil Engineering, Chongqing University, Chongqing, China. National Joint Engineering Research Center of Geohazards Prevention in the Reservoir Areas (Chongqing), Chongqing ...
The grain size distribution of the selected soil is indicated in Fig. 1a. With the criteria in the literature, it is possible to define the soil as expansive clay with high to very high swelling potential [].To further evaluate the dominant compositions or minerals in the soil, the XRD (X-ray diffraction) pattern of the soil was also found, as indicated in Fig. 1b together with EDS …
Samples (157) from over 30 sites in eastern China have been studied. They are predominantly alkaline basalts, but vary in composition from olivine nephelinites and leucitites …
To study the hybrid effects of polypropylene fiber and basalt fiber on the fracture toughness of concrete, 13 groups of notched concrete beam specimens with different fiber contents and mass ratios were prepared for the three-point bending test. Based on acoustic emission monitoring data, the initiation cracking load and instability load of each group of …
Area (Chongqing University), Ministry of Education, Chongqing University, No. 83 Shabei Street,Shapingba District, 400045 Chongqing, China Full list of author information is available at the end ...
SUMMARY The Bunbury Basalt is a series of lava flows in the Perth Basin, Western Australia, and is interpreted to be related to the breakup of eastern Gondwana during the Early Cretaceous.
However; the distribution of basalt and purple sandstone was more concentrated, and the projection distance between the two was farther away along the PCo1, which indicates significant differences in the bacterial species composition. The difference in species composition based on the principal components of PCo1 was 37.4%.
Xiaohan ZHOU, Chongqing, China | Cited by 537 | of Chongqing University, Chongqing (CQU) | Read 52 publications | Contact Xiaohan ZHOU
