CN204631008U - A kind of detection architecture of Grouted density of prefabricated components - Google Patents
A kind of detection architecture of Grouted density of prefabricated components Download PDFInfo
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- CN204631008U CN204631008U CN201520355098.2U CN201520355098U CN204631008U CN 204631008 U CN204631008 U CN 204631008U CN 201520355098 U CN201520355098 U CN 201520355098U CN 204631008 U CN204631008 U CN 204631008U
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Abstract
The utility model discloses a kind of detection architecture of Grouted density, comprise: one first prefabricated components and one second prefabricated components, between described first prefabricated components and described second prefabricated components, reserved grouting construction stitches, and forms relative grouting interface between described first prefabricated components with described second prefabricated components; Being laid in the described grouting interface of described first prefabricated components or/and described second prefabricated components, sending the multiple prefabricated measuring point of signal for being triggered by the slurries in described grouting construction seam; Be connected with described prefabricated measuring point, for receiving the signal receiver of the signal that described prefabricated measuring point sends.The utility model, by arranging prefabricated measuring point on grouting interface, can utilize prefabricated measuring point to detect the packing of the slurry filling in grouting construction seam, guarantee that slurries fill up, bubble-free, thus ensure the grouting quality of connection between prefabricated components.
Description
Technical field
The utility model relates to engineering construction technical field, particularly relates to a kind of detection architecture of Grouted density of prefabricated components.
Background technology
Current grouting technique is widely used in each departments of national economy such as oil, chemical industry, power station, metallurgy, nuclear power, national defence.Along with improving constantly of operating technique, for grouting need also increase.In order to improve the quality of grouting, improving the service efficiency of grouting equipment, requiring more and more stricter for Grouted density.
Grouting technique domestic at present, is difficult in structural base closely knit position of constructing, and the general density existed for confined space grouting material is difficult to control, the problem that grouting quality cannot intuitively reflect.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of Grouted density guaranteeing grouting region, does not produce the detection architecture of the Grouted density of the prefabricated components of bubble and hole.
For realizing above-mentioned technique effect, the utility model discloses a kind of detection architecture of Grouted density of prefabricated components, comprising:
One first prefabricated components and one second prefabricated components, between described first prefabricated components and described second prefabricated components, reserved grouting construction stitches, and forms relative grouting interface between described first prefabricated components with described second prefabricated components;
Being laid in the described grouting interface of described first prefabricated components or/and described second prefabricated components, sending the multiple prefabricated measuring point of signal for being triggered by the slurries in described grouting construction seam;
Be connected with described prefabricated measuring point, for receiving the signal receiver of the signal that described prefabricated measuring point sends.
The utility model further improves and is, described prefabricated measuring point is pressure transducer or liquid sensor.
The utility model further improves and is, described first prefabricated components are arranged at the below of the second prefabricated components, and described prefabricated measuring point array is laid in the grouting interface of described second prefabricated components.
The utility model further improves and is, the bottom of described second prefabricated components is embedded with for the grout sleeve to reperfusion serosity in described grouting construction seam, the bottom opening of described grout sleeve is located at the grouting interface of described second prefabricated components, the barrel bottom of described grout sleeve is provided with grouting mouth, the barrel top of described grout sleeve is provided with plasma discharge mouth, described second prefabricated components offers grout hole and the plasma discharge hole of corresponding described grouting mouth and described plasma discharge mouth.
The utility model further improves and is, the bottom of described second prefabricated components is also embedded with sighting tube, the mouth of pipe of the first end of described sighting tube is located at the grouting interface bottom described second prefabricated components, the mouth of pipe of the second end of described sighting tube is located at the sidewall surfaces of described second prefabricated components, and the setting position of the mouth of pipe of the second end of described sighting tube is higher than the tip position of described grout sleeve.
The utility model further improves and is, described first prefabricated components and described second prefabricated components are arranged along same level height, and described prefabricated measuring point array is laid in the described grouting interface of described first prefabricated components and described second prefabricated components.
The utility model further improves and is, is embedded with for the grout pipe to reperfusion serosity in described grouting construction seam in described first prefabricated components or/and described second prefabricated components.
The utility model, owing to have employed above technical scheme, makes it have following beneficial effect:
1, by arranging prefabricated measuring point on the grouting interface of the first prefabricated components and the second prefabricated components, prefabricated measuring point can be utilized detect the grouting construction between the first prefabricated components and the second prefabricated components stitch in Grouted density, guarantee that slurries fill up, bubble-free, thus ensure the grouting quality of connection between prefabricated components;
2, prefabricated measuring point is pressure transducer or liquid sensor, pressure transducer or liquid sensor and signal receiver communicate to connect, when the slurries in grouting construction seam are triggered to pressure transducer or liquid sensor, pressure transducer or liquid sensor send signal to signal receiver, thus based on the signal that prefabricated measuring point sends, judge the Grouted density in grouting construction seam, in time reliably, convenient operation;
3, adopt grout sleeve as grout pipe, reach the object of reperfusion serosity in grouting construction seam on the one hand, upper and lower two-layer prefabricated components can also be linked on the other hand by grout sleeve, be further advanced by the pre-buried sighting tube of the lower end base of prefabricated components, grouting liquid level can be raised, be convenient to the Grouted density that workman judges by the level change in observation tube in grout sleeve, facilitate workman to observe, timely supplementary irrigation.
Accompanying drawing explanation
Fig. 1 is the partial schematic diagram of the first embodiment of the detection architecture of the Grouted density of the utility model prefabricated components.
Fig. 2 is the partial schematic diagram at the grouting interface of the second prefabricated components in the first embodiment of the detection architecture of the Grouted density of the utility model prefabricated components.
Fig. 3 is the cross-sectional view of grout sleeve in the first embodiment of the detection architecture of the Grouted density of the utility model prefabricated components.
Fig. 4 is the use FB(flow block) of the detection architecture of the Grouted density of the utility model prefabricated components.
Fig. 5 is the partial sectional view of the Construction State of the first embodiment of the detection architecture of the Grouted density of the utility model prefabricated components.
Fig. 6 is the end face schematic diagram of the second embodiment of the detection architecture of the Grouted density of the utility model prefabricated components.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the utility model is described in further detail.
First consult shown in Fig. 1 and Fig. 2, the detection architecture of Grouted density of the present utility model formed primarily of one first prefabricated components 101,1 second prefabricated components 102, multiple prefabricated measuring point 11, the signal receiver (in figure non-display receiver) be connected with described prefabricated measuring point 11 and structure of being in the milk.
Wherein, between the first prefabricated components 101 and the second prefabricated components 102, reserved grouting construction stitches 16, and forms relative grouting interface between the first prefabricated components 101 with the second prefabricated components 102;
Prefabricated measuring point 11 is pressure transducer or liquid sensor, arrangement is in an orderly manner resentful to the grouting interface of the first prefabricated components 101 or/and the second prefabricated components 102, for responding to the slurries in grouting construction seam 16, when the slurries in grouting construction seam 16 touch pressure transducer or liquid sensor, pressure transducer or liquid sensor will send signal to signal receiver, signal receiver is external in pressure transducer or liquid sensor, and receive the signal that pressure transducer or liquid sensor send, the last signal received based on signal receiver, just can judge the Grouted density in grouting construction seam 16.Thus ensure that slurries fill up, bubble-free, guarantee the grouting quality of connection between the first prefabricated components and the second prefabricated components.Wherein, the pressure that slurry liquid contacts produces accurately can be converted to electrical signal transfer to signal receiver by pressure transducer; Liquid sensor accurately can detect the existence of seam interstitial liquid, and result of detection is converted to electrical signal transfer to signal receiver.
Further, in order to show closely knit situation in grouting construction seam better, we can arrange the signal lamp or loudspeaker etc. corresponding with the distributing position of each pressure transducer or each liquid level sensor on signal receiver, thus can by observe corresponding signal lamp or loudspeaker light or ring situation judges corresponding pressure transducer or the Grouted density situation of liquid level sensor position, thus be convenient to carry out slip casting again to the undesirable position of Grouted density, improve Grouted density.
In the present embodiment, first prefabricated components 101 are arranged at the below of the second prefabricated components 102, now, grouting construction seam 16 is formed between the top end face of the first prefabricated components 101 and the bottom end face of the second prefabricated components 102, namely the top end face of the first prefabricated components 101 is its grouting interface, and the bottom end face of the second prefabricated components 102 is its grouting interface.
Prefabricated measuring point 11 arranges in order and the grouting interface be abound with bottom the second prefabricated components 102, as shown in Figure 2, wherein, prefabricated measuring point 11 can adopt pre-buried mode to be fixed on grouting interface bottom the second prefabricated components 102, prevents prefabricated measuring point 11 from offseting and affecting testing result.
Grouting vibrational power flow is in the bottom of the second prefabricated components 102, comprise grout sleeve 12 and sighting tube 15, further, as shown in Figure 2, in an embodiment, prefabricated measuring point 11 array is laid on the grouting interface bottom the second prefabricated components 102 being positioned at upper strata, grout sleeve 12 interval is embedded in the bottom of the second prefabricated components 102, coordinate shown in Fig. 3, the inside of grout sleeve 12 forms grouting space, the bottom opening of grout sleeve 12 is located at the grouting interface bottom the second prefabricated components 102, the barrel bottom of grout sleeve 12 is provided with grouting mouth 121, the barrel top of grout sleeve is provided with plasma discharge mouth 122, and grouting mouth 121 and plasma discharge mouth 122 are opened on the same side barrel of grout sleeve.The lower end of the second prefabricated components 102 offers grout hole 13 and the plasma discharge hole 14 of corresponding grouting mouth 121 and plasma discharge mouth 122, grout hole 13 is connected with the grouting space of grout sleeve inside by grouting mouth 121, play by the effect of grout hole 13 to the inner reperfusion serosity of grout sleeve 12, plasma discharge hole 14 is connected by the grouting space of plasma discharge mouth 122 with grout sleeve 12 inside, play the air of discharging grout sleeve inside, the effect of balance grout sleeve 12 air pressure inside.
Sighting tube 15 is embedded in the bottom of the second prefabricated components 102 in advance, for guaranteeing the Grouted density at especially grout sleeve 12 top in grout sleeve 12, usually, a sighting tube 15 is set in second prefabricated components 102, this sighting tube 15 is embedded in the medium position of the bottom of the second prefabricated components 102, the mouth of pipe of the first end 151 of sighting tube 15 is located at the grouting interface bottom the second prefabricated components 102, and the mouth of pipe of the first end 151 of sighting tube 15 is communicated with the bottom opening of grout sleeve 12 by grouting construction seam 16, the mouth of pipe of the second end 152 of sighting tube 15 is located at the sidewall surfaces of the second prefabricated components 102, and the setting position of the mouth of pipe of the second end 152 of sighting tube 15 is higher than the tip position of grout sleeve 12, sighting tube 15 is made up of a vertical section 153 and the observation section 154 be obliquely installed in vertical section 153, vertical section 153 is vertically inserted in the middle part of the lower end of the second prefabricated components 102, the opening of vertical section 153 lower end, namely the mouth of pipe of the first end 151 of above-mentioned sighting tube 15 is located at the grouting interface bottom the second prefabricated components 102, the upper end of vertical section 153 is higher than 12 tops of grouting sleeve, the upper end of the lower end vertical connecting section 153 of observation section 154, the upper end of section 154 is observed to tilt to the sidewall surfaces of the second prefabricated components 102, and the opening of observation section 124 upper end, namely the mouth of pipe of the second end 152 of above-mentioned sighting tube 15 is located at the sidewall surfaces of the second prefabricated components 102.
The utility model passes through at the pre-buried sighting tube 15 in the bottom of the second prefabricated components 102, the grouting interface bottom the second prefabricated components 102 is all located in the lower end of sighting tube 15 and the bottom of grout sleeve, the upper end of sighting tube 15 is provided with the observation section 154 of inclination, the mouth of pipe of the upper end of observation section 154 is located at the sidewall surfaces of the second prefabricated components 102, form observation port, the setting position of observation port is higher than the tip position of grout sleeve 12.Grouting lance or grouting pump is utilized to carry out slurry filling to the grout hole 13 bottom the second prefabricated components 102, by grout hole 13 to reperfusion serosity in grout sleeve 12, slurries fill tank grout sleeve 12, and slurries under gravity, bottom to grout sleeve 12 gushes out, in the grouting construction seam 16 of trickling to the second prefabricated components 102, flow to the mouth of pipe of sighting tube 15 first end 151 again, and the mouth of pipe of sighting tube 15 second end 152 is poured into along sighting tube 15, finally, fill tank grout sleeve 12 and sighting tube 15, and overflow the mouth of pipe of the second end 152 of sighting tube 15.After grouting terminates, remove grouting lance or grouting pump, stop slip casting, utilize grouting slurries pressure itself, the oneself completed when grout sleeve 12 top liquid level declines mends slurry, and utilizes sighting tube 15 to be raised by grouting liquid level, workman is facilitated to observe the level change in observation section 154 by the observation section 154 of the inclination of sighting tube 15, judge the packing of grout sleeve, timely supplementary irrigation, guarantee the slurries packing at grout sleeve 12 top.
Again shown in composition graphs 4 and Fig. 5, the first prefabricated components 101 in the present embodiment and the second prefabricated components 102 are respectively precast shear wall, and the detection method that the grouting construction between the first prefabricated components 101 and the second prefabricated components 102 stitches the Grouted density in 16 is specific as follows:
S001: at least one first prefabricated components and one second prefabricated components are provided, between the first prefabricated components and the second prefabricated components, reserved grouting construction stitches, and forms relative grouting interface between the first prefabricated components with the second prefabricated components;
Wherein, first prefabricated components 101 are arranged at the below of the second prefabricated components 102, first construction is positioned at the first prefabricated components 101 of lower floor, and at the top of the first prefabricated components 101 reserved docking reinforcing bar 17, this docking reinforcing bar 17 is the extension, top that structure in the first prefabricated components 101 erects muscle;
Then, the docking reinforcing bar 17 in construction floor 30, first prefabricated components 101 top, the top of the first prefabricated components 101 protrudes upward the upper surface of the floor 30 of having constructed, and is connected for being in the milk with the second prefabricated components 102 being positioned at upper strata;
Then, grout sleeve 12 bottom second prefabricated components 102 being sheathed on docking reinforcing bar 17 stretches out on the linkage section of the upper surface of floor 30, and reserved grouting construction stitches 16 between the bottom and the upper surface of floor 30 of the second prefabricated components 102, the thickness of this grouting construction seam 16 is generally about 2cm, for adjusting the position between reinforcement member;
Finally, in the surrounding of grouting construction seam 16, grouting template 18 is installed.
S002: lay prefabricated measuring point in the grouting interface of the first prefabricated components or/and the second prefabricated components, prefabricated measuring point is connected to signal receiver;
Wherein, adopt the grouting interface of pre-buried mode bottom the second prefabricated components 102 that multiple prefabricated measuring point 11 is set, prefabricated measuring point 11 is electrically connected on the signal receiver (in figure non-display receiver) outside grouting construction seam 16, thus the signal that signal receiver can be utilized to receive prefabricated measuring point 11 send.
S003: lead to reperfusion serosity in grouting construction seam
Grout sleeve 12 is embedded in the bottom of the second prefabricated components 102, the bottom opening of grout sleeve 12 is located at the grouting interface bottom the second prefabricated components 102, grouting mouth 121 is offered in the barrel bottom of grout sleeve 12, offer plasma discharge mouth 122 on the barrel top of grout sleeve 12, the second prefabricated components 102 are offered grout hole 13 and the plasma discharge hole 14 of corresponding grouting mouth 121 and plasma discharge mouth 122;
For the ease of observing the Grouted density at especially grout sleeve 12 top in grout sleeve 12, sighting tube 15 is buried further underground in the bottom of the second prefabricated components 102, the mouth of pipe of the first end 151 of sighting tube 15 is arranged at the grouting interface of the second prefabricated components 102, the mouth of pipe of the second end 152 of sighting tube 15 is arranged at the sidewall surfaces of the second prefabricated components 102, and makes the tip position of setting position higher than grout sleeve 12 of the mouth of pipe of the second end 152 of sighting tube 15;
After the first prefabricated components 101 fixing and grouting construction relative to the second prefabricated components 102 stitches grouting template 18 installation of 16 surroundings, start grouting, utilize grouting lance or grouting pump to grout hole 13 slurry filling bottom the second prefabricated components 102, by grout hole 13 to reperfusion serosity in the grouting space of grout sleeve 12 inside, slurries fill tank grout sleeve 12, and slurries under gravity, bottom to grout sleeve 12 gushes out, flow in grouting construction seam 16, and fill grouting construction seam 16 from the bottom to top, thus realize utilizing grout sleeve 12 to reperfusion serosity in grouting construction seam 16.
S004: when the slurries in grouting construction seam are triggered to prefabricated measuring point, prefabricated measuring point sends signal to signal receiver;
When the bottom of slurries from grout sleeve 12 gushes out, flow in grouting construction seam 16, and when filling grouting construction stitches 16 from the bottom to top, the prefabricated measuring point 11 be arranged in bottom the second prefabricated components 102 touches the slurries that grouting construction seam 16 rises, be triggered, produce electric signal, and by this electrical signal transfer to signal receiver.
Meanwhile, slurries gush note from grout hole 13 to plasma discharge hole 14, until flow out plasma discharge hole 14, the first prefabricated components 101 are carried out grouting with the second prefabricated components 102 and is connected;
Slurries are also circulated to the mouth of pipe of the first end 151 of sighting tube 15 from grouting construction seam 16, and pour into along sighting tube 15 to the mouth of pipe of sighting tube 15 second end 152, until slurries overflow the mouth of pipe of the second end of sighting tube 15, terminate grouting.
S005: the signal sent based on prefabricated measuring point, judges the Grouted density that grouting construction stitches.
After grouting terminates, remove grouting lance or grouting pump, stop slip casting, based on the signal that prefabricated measuring point sends, judge the Grouted density that grouting construction stitches.Simultaneously, utilize the grouting slurries in sighting tube 15, coordinate grouting slurries pressure itself, the oneself completed when grout sleeve top liquid level declines mends slurry, and utilize sighting tube 15 to be raised by grouting liquid level, facilitate workman to observe the level change in observation section 154 by the observation section 154 of the inclination of sighting tube 15, timely supplementary irrigation, guarantee the slurries packing at grout sleeve top, improve the grouting quality of connection of the second prefabricated components 102 and the first prefabricated components 101.
Be more than the embodiment of the first embodiment of the utility model, those skilled in the art can make many variations example to the utility model according to the above description, introduce the utility model the second embodiment below again, specific as follows:
Consult shown in Fig. 6, first prefabricated components 101 and the second prefabricated components 102 are along same level height, prefabricated measuring point 11 is laid at grouting interface respectively at the first prefabricated components 101 and the second prefabricated components 102, and stitch reperfusion serosity in 16 by pre-embedment grouting pipe 12 ' in the first prefabricated components 101 or/and the second prefabricated components 102 to the grouting construction of the vertical setting between the first prefabricated components 101 and the second prefabricated components 102, the detection method of its Grouted density is specific as follows:
First, multiple prefabricated measuring point is laid at the grouting interface respectively at the first prefabricated components 101 and the second prefabricated components 102, and prefabricated measuring point is connected to signal receiver;
Then, the grouting interface of the first prefabricated components 101 with the second prefabricated components 102 is docked, and reserved grouting construction stitches 16 between the grouting interface of the first prefabricated components 101 and the grouting interface of the second prefabricated components 102;
Finally, by being embedded in grout pipe 12 ' in the first prefabricated components 101 or/and the second prefabricated components 102 in advance to reperfusion serosity in grouting construction seam;
When the slurries in grouting construction seam 16 are triggered to described prefabricated measuring point, prefabricated measuring point sends signal to signal receiver;
Based on the signal that prefabricated measuring point sends, judge Grouted density.
Wherein, prefabricated measuring point is pressure transducer or liquid level sensor, pressure transducer or liquid level sensor are electrically connected with signal receiver, this signal receiver is provided with the signal lamp corresponding with each pressure transducer or each liquid level sensor, the signal that expression that each pressure transducer or each liquid level sensor send has been in the milk is shown for correspondence, when signal lamps all on signal receiver is lighted, the grouting interface just representing all prefabricated measuring point positions is closely knit, bubble-free, when there being signal lamp not light, then can continue grouting by the prefabricated point position corresponding to this signal lamp do not lighted, until all signal lamps are all lighted, then can guarantee that slurries fill up, bubble-free, thus ensure the grouting quality of connection between the first prefabricated components 101 and the second prefabricated components 102.
Below by reference to the accompanying drawings and embodiment the utility model has been described in detail, those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (7)
1. a detection architecture for the Grouted density of prefabricated components, is characterized in that, comprising:
One first prefabricated components and one second prefabricated components, between described first prefabricated components and described second prefabricated components, reserved grouting construction stitches, and forms relative grouting interface between described first prefabricated components with described second prefabricated components;
Being laid in the described grouting interface of described first prefabricated components or/and described second prefabricated components, sending the multiple prefabricated measuring point of signal for being triggered by the slurries in described grouting construction seam;
Be connected with described prefabricated measuring point, for receiving the signal receiver of the signal that described prefabricated measuring point sends.
2. the detection architecture of the Grouted density of prefabricated components as claimed in claim 1, is characterized in that: described prefabricated measuring point is pressure transducer or liquid sensor.
3. the detection architecture of the Grouted density of prefabricated components as claimed in claim 1, it is characterized in that: described first prefabricated components are arranged at the below of the second prefabricated components, described prefabricated measuring point array is laid in the grouting interface of described second prefabricated components.
4. the detection architecture of the Grouted density of prefabricated components as claimed in claim 3, it is characterized in that: the bottom of described second prefabricated components is embedded with for the grout sleeve to reperfusion serosity in described grouting construction seam, the bottom opening of described grout sleeve is located at the grouting interface of described second prefabricated components, the barrel bottom of described grout sleeve is provided with grouting mouth, the barrel top of described grout sleeve is provided with plasma discharge mouth, described second prefabricated components offers grout hole and the plasma discharge hole of corresponding described grouting mouth and described plasma discharge mouth.
5. the detection architecture of the Grouted density of prefabricated components as claimed in claim 4, it is characterized in that: the bottom of described second prefabricated components is also embedded with sighting tube, the mouth of pipe of the first end of described sighting tube is located at the grouting interface bottom described second prefabricated components, the mouth of pipe of the second end of described sighting tube is located at the sidewall surfaces of described second prefabricated components, and the setting position of the mouth of pipe of the second end of described sighting tube is higher than the tip position of described grout sleeve.
6. the detection architecture of the Grouted density of prefabricated components as claimed in claim 1, it is characterized in that: described first prefabricated components and described second prefabricated components are arranged along same level height, described prefabricated measuring point array is laid in the described grouting interface of described first prefabricated components and described second prefabricated components.
7. the detection architecture of the Grouted density of prefabricated components as claimed in claim 6, is characterized in that: be embedded with for the grout pipe to reperfusion serosity in described grouting construction seam in described first prefabricated components or/and described second prefabricated components.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520355098.2U CN204631008U (en) | 2015-05-28 | 2015-05-28 | A kind of detection architecture of Grouted density of prefabricated components |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520355098.2U CN204631008U (en) | 2015-05-28 | 2015-05-28 | A kind of detection architecture of Grouted density of prefabricated components |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865352A (en) * | 2015-05-28 | 2015-08-26 | 中国建筑第八工程局有限公司 | Detection method and detection structure for grouting density of prefabricated part |
| CN105865568A (en) * | 2016-04-12 | 2016-08-17 | 北京市建筑设计研究院有限公司 | Device for nondestructive quantitative detection of steel bar connecting grouting sleeve |
| CN110389159A (en) * | 2019-08-20 | 2019-10-29 | 上海建工集团股份有限公司 | A kind of prefabricated components Grouted density quality visualization detection method |
| CN114994295A (en) * | 2022-06-02 | 2022-09-02 | 昆山市建设工程质量检测中心 | Method for determining grouting pause time in non-visual intermittent grouting mode |
-
2015
- 2015-05-28 CN CN201520355098.2U patent/CN204631008U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104865352A (en) * | 2015-05-28 | 2015-08-26 | 中国建筑第八工程局有限公司 | Detection method and detection structure for grouting density of prefabricated part |
| CN104865352B (en) * | 2015-05-28 | 2017-05-17 | 中国建筑第八工程局有限公司 | Detection method and detection structure for grouting density of prefabricated part |
| CN105865568A (en) * | 2016-04-12 | 2016-08-17 | 北京市建筑设计研究院有限公司 | Device for nondestructive quantitative detection of steel bar connecting grouting sleeve |
| CN105865568B (en) * | 2016-04-12 | 2021-12-24 | 北京市建筑设计研究院有限公司 | Nondestructive quantitative detection device for grouting sleeve for steel bar connection |
| CN110389159A (en) * | 2019-08-20 | 2019-10-29 | 上海建工集团股份有限公司 | A kind of prefabricated components Grouted density quality visualization detection method |
| CN114994295A (en) * | 2022-06-02 | 2022-09-02 | 昆山市建设工程质量检测中心 | Method for determining grouting pause time in non-visual intermittent grouting mode |
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